No. R t (min)Formula Mass (Da) Ppm MS/MS fragments Identification Source 1d 1.48 C7 H6 O5 170.0215 −1.9 107.0118[M + H-CH4 O3 ]+ , 125.0223[M + H-CH2 O2 ]+ , 153.0175[M + H-H2 O]+ Gallic acid BS 2c 4.46 C23 H28 O12 496.1581 −0.8 197.0824[M + H-C13 H16 O8 ]+ ; 161.0606[M + H-C17 H20 O7 ]+ ; 151.0749[M + H-C15 H22 O9 ]+ ; 133.0640[M + H-C18 H20 O8 ]+ ; 121.0261[M + H-C16 H24 O10 ]+ Oxypaeoniflorin BS 3a 4.69 C15 H14 O6 290.079 −0.1 291.0863[M + H]+ ; 207.0648[M + H-C4 H4 O2 ]+ ; 163.0431[M + H-C6 H8 O3 ]+ ; 139.0380[M + H-C8 H8 O3 ]+ ; 123.0432[M + H-C8 H8 O4 ]+ ; 111.0429[M + H-C9 H8 O4 ]+ Catechin BS 4d 6.62 C10 H10 O4 194.0579 −1 163.0401[M + H-OCH4 ]+ , 135.0441[M + H-C2 H4 O2 ]+ , 165.0725[M + H-CH2 O]+ Ferulic acid BS 5c 7.14 C23 H28 O11 480.1632 0 197.0808[M + H-C13 H16 O7 ]+ ; 179.0703[M + H-C6 H18 O6 ]+ ; 161.0592[M + H-C17 H18 O6 ]+ ; 151.0752[M + H-C18 H18 O6 ]+ ; 133.0647[M + H-C18 H18 O7 ]+ ; 123.0803[M + H-C16 H22 O9 ]+ ; 105.0336[M + H-C16 H24 O10 ]+ Paeoniflorin BS 6c 7.14 C23 H28 O11 480.1632 0 197.0808[M + H-C13 H16 O7 ]+ ; 179.0703[M + H-C17 H18 O5 ]+ ; 161.0592[M + H-C17 H10 O6 ]+ ; 151.0752[M + H-C18 H18 O6 ]+ ; 133.0647[M + H-C18 H20 O7 ]+ Albiflorin BS 7c 7.14 C17 H18 O6 318.1103 0.7 121.0653[M + H-C10 H14 O4 ]+ ; 105.0698[M + H-C10 H14 O5 ]+ Paeoniflorgenin BS 8c 7.14 C23 H28 O11 480.1632 0 197.0808[M + H-C13 H16 O7 ]+ ; 179.0703[M + H-C17 H18 O5 ]+ ; 161.0592[M + H-C17 H20 O6 ]+ ; 151.0752[M + H-C18 H18 O6 ]+ ; 133.0647[M + H-C18 H20 O7 ]+ ; 123.0803[M + H-C16 H22 O9 ]+ ; 105.0336[M + H-C16 H24 O10 ]+ Albiflorin R1 BS 9a 8.11 C26 H28 O14 564.1479 −1.8 565.1552[M + H]+ ; 547.1428[M + H-H2 O]+ ; 529.1343[M + H-H4 O2 ]+ ; 463.1027[M + H-C4 H6 O3 ]+ ; 403.0789[M + H-C6 H10 O5 ]+ ; 391.0814[M + H-C7 H10 O5 ]+ ; 379.0810[M + H-C11 H6 O3 ]+ ; 361.0714[M + H-C8 H12 O6 ]+ ; 337.0708[M + H-C11 H16 O5 ]+ ; 307.0596[M + H-C12 H18 O6 ]+ Schaftoside GC 10a 9.08 C27 H32 O14 580.1792 −0.8 581.1865[M + H]+ ; 257.0813[M + H-C15 H16 O8 ]+ ; 239.0679[M + H-C12 H22 O11 ]+ ; 147.0438[M + H-C18 H26 O12 ]+ ; 137.0244[M + H-C22 H20 O10 ]+ Glycyrrhizin-7,4′-diglucoside GC 11a 9.08 C27 H32 O14 580.1792 −0.8 257.0813[M + H-C12 H20 O10 ]+ Narirutin BS 12a 9.36 C15 H12 O4 256.0735 0.7 257.0824[M + H]+ ; 147.0441[M + H-C6 H6 O2 ]+ ; 137.0238[M + H-C8 H8 O]+ ; 119.0496[M + H-C7 H6 O3 ]+ ; 109.0284[M + H-C9 H8 O2 ]+ Liquiritigenin GC 13a 9.52 C27 H30 O14 578.1635 −1.8 579.1708[M + H]+ ; 543.1475[M + H-H4 O2 ]+ ; 507.1297[M + H-C3 H4 O2 ]+ ; 459.1094[M + H-C4 H8 O4 ]+ ; 403.0848[M + H-C7 H12 O5 ]+ ; 393.0941[M + H-C11 H6 O3 ]+ ; 375.0851[M + H-C8 H12 O6 ]+ ; 337.0717[M + H-C12 H18 O5 ]+ ; 325.0703[M + H-C12 H14 O6 ]+ Violanthin GC 10.59 C36 H55 NO4 565.4131 12 566.4304[M + H]+ ; 548.4196[M + H-OH2 ]+ ; 209.1654[M + H-C22 H31 NO3 ]+ ; 114.0915[M + H-C31 H48 O2 ]+ Heinsiagenin A GC 15d 10.69 C41 H32 O26 940.1182 −0.3 455.0820[M + H-C22 H14 O13 ]+ , 345.0208[M + H-C25 H24 O17 ]+ 1,2,3,4,6-penta-O-galloyl-β -D-glucopyranose BS 11.46 C16 H12 O6 300.0634 −2.2 301.0723[M + H]+ ; 285.0395[M + H-CH4 ]+; 283.0601[M + H-H2O ]+; 269.0439[M + H-CH4 O]+; 259.0636[M + H-C2 H2 O]+; 257.0436[M + H-CO2 ]+ ; 250.9834[M + H-CH6 O2 ]+ ; 245.0844[M + H-C3 H4 O]+ ; 211.0263[M + H-C6 H2 O]+ ; 203.0705[M + H-C5 H6 O2 ]+ ; 167.0325[M + H-C7 H2 O3 ]+ ; 161.0622[M + H-C7 H8 O3 ]+ ; 123.0093[M + H-C9 H6 H4 ]+ ; 107.0492[M + H-C10 H10 O4 ]+ 7,2′,4′-trihydroxy-3-(5-meth oxyphenyl) chromen-2-one GC 11.54 C12 H16 O2 192.115 2.6 193.0872[M + H]+ ; 149.0244[M + H-C3 H6 ]+ Cuminyl acetate BS 18a 11.72 C21 H20 O10 432.1056 −1.8 433.2046[M + H]+ ; 271.0596[M + H-C6 H10 O5 ]+ ; 133.0875[M + H-C16 H12 O6 ]+ Vitexin GC 19c 11.74 C30 H32 O15 632.1741 −1.9 301.1065[M + H-C13 H16 O10 ]+ ; 153.0182[M + H-C23 H18 O11 ]+ ; 133.0630[M + H-C25 H24 O11 ]+ ; 105.0329[M + H-C23 H28 O14 ]+ Galloyl paeoniflorin BS 20a 11.74 C28 H34 O15 633.1793 0.5 153.0180[M + Na-C20 H25 O12 ]+ ; 105.0329[M + Na-C24 H25 H12 ]+ Hesperidin BS 21a 11.75 C15 H12 O5 272.0685 −1 153.0187[M + H-C7 H5 O4 ]+ Naringenin GC 22a 13.26 C26 H30 O13 550.1686 −1.4 551.1759[M + H]+ ; 257.0805[M + H-C11 H18 O9 ]+ ; 239.0696[M + H-C11 H20 O10 ]+ ; 147.0440[M + H-C17 H24 O11 ]+ ; 137.0224[M + H-C19 H26 O10 ]+ Liquiritin apioside GC 23a 13.26 C26 H30 O13 550.1686 −1.4 551.1759[M + H]+ ; 257.0805[M + H-C11 H18 O9 ]+ ; 239.0696[M + H-C11 H20 O10 ]+ ; 147.0440[M + H-C17 H24 O11 ]+ ; 137.0224[M + H-C19 H26 O10 ]+ Isoliquiritin apioside GC 24a 13.56 C21 H22 O9 418.1264 −0.5 419.1337[M + H]+ ; 257.0813[M + H-C6 H10 O5 ]+ ; 239.0699[M + H-C6 H12 O6 ]+ ; 147.0435[M + H-C12 H16 O7 ]+ ; 137.0226[M + H-C14 H18 O6 ]+ Liquiritin GC 25a 13.56 C21 H22 O9 418.1264 −0.5 419.1337[M + H]+ ; 257.0813[M + H-C6 H10 O5 ]+ ; 239.0699[M + H-C6 H12 O6 ]+ ; 147.0435[M + H-C12 H16 O7 ]+ ; 137.0226[M + H-C14 H18 O6 ]+ Isoliquiritin GC 26a 13.76 C22 H22 O9 430.1264 −0.6 431.1337[M + H]+ ; 269.0809[M + H-C6 H10 O5 ]+ ; 253.0484[M + H-C6 H10 O6 ]+ Ononin GC 27a 13.86 C16 H14 O5 286.0841 −0.7 287.0925[M + H]+ ; 245.0782[M + H-C2 H2 O]+ ; 193.0497[M + H-C6 H6 O]+ ; 161.0221[M + H-C7 H10 O2 ]+ ; 147.0437[M + H-C7 H8 O3 ]+ ; 121.0281[M + H-C9 H10 O3 ]+ ; 107.0486[M + H-C9 H8 O4 ]+ Licochalcone B GC 28a 14.96 C16 H12 O5 284.0685 −0.1 285.0765[M + H]+ ; 269.0433[M + H-CH4 ]+ ; 253.0504[M + H-CH4 O]+ ; 241.0484[M + H-C2 H4 O]+ ; 213.0545[M + H-C3 H4 O2 ]+ ; 185.0581[M + H-C5 H8 O2 ]+ ; 137.0226[M + H-C9 H8 O2 ]+ Calycosin GC 29a 16.83 C16 H14 O4 270.0892 −0.8 271.0765[M + H]+ ; 229.0868[M + H-C2 H2 O]+ ; 177.0548[M + H-C6 H6 O]+ ; 147.0429[M + H-C7 H8 O2 ]+ ; 123.0433[M + H-C9 H8 O2 ]+ ; 121.0285[M + H-C9 H10 O2 ]+ ; 107.0497[M + H-C9 H8 O3 ]+ Retro chalcone GC 30e 17.11 C21 H20 O7 384.1209 −0.2 385.1291[M + H ]+ ; 367.1194[M + H-OH2 ]+ ; 339.0833[M + H-C2 H6 O]+ ; 329.1375[M + H-C3 H4 O]+ ; 315.1204[M + H-C4 H6 O]+ ; 283.0630[M + H-C5 H10 O2 ]+ ; 257.0829[M + H-C6 H8 O3 ]+ ; 247.0785[M + H-C7 H6 O3 ]+ ; 243.0634[M + H-C7 H10 O3 ]+ ; 225.0554[M + H-C9 H4 O3 ]+ Licopyranocoumarin BS 31c 17.52 C30 H32 O12 584.1894 −1.2 585.2905[M + H]+ ; 319.1181[M + H-C13 H14 O6 ]+ ; 301.1034[M + H-C13 H16 O7 ]+ ; 267.0852[M + H-C17 H18 O6 ]+ ; 249.0768[M + H-C17 H20 O7 ]+ ; 197.0796[M + H-C20 H20 O8 ]+ ; 179.0700[M + H-C20 H22 O9 ]+ ; 151.0752[M + H-C21 H22 O10 ]+ ; 133.0646[M + H-C25 H24 O8 ]+ ; 123.0812[M + H-C23 H26 O10 ]+ ; 121.0636[M + H-C23 H28 O10 ]+ ; 105.0332[M + H-C23 H28 O11 ]+ Benzoyl paeoniflorin GC 32b 17.58 C48 H72 O21 985.4566 0.2 985.4652[M + H ]+ ; 809.4326[M + H-C6 H8 O6 ]+ ; 647.3772[M + H-C12 H18 O11 ]+ ; 615.3883[M + H-C12 H18 O13 ]+ ; 471.3455[M + H-C18 H26 O17 ]+ ; 453.3356[M + H-C18 H28 O18 ]+ Licoricesaponin A3 GC 33a 19.25 C16 H12 O4 268.0735 0.7 269.0826[M + H]+ ; 253.0506[M + H-CH4 ]+ ; 237.0555[M + H-CH4 O]+ ; 225.0555[M + H-C2 H4 O]+ ; 213.0925[M + H-C3 H4 O]+ ; 137.0238[M + H-C9 H8 O]+ Formononetin GC 34b 20.06 C42 H62 O17 838.3987 0.9 484.3436[M + H-C12 H16 O12 ]+ ; 469.3328[M + H-C12 H18 O13 ]+ ; 451.3219[M + H-C12 H20 O14 ]+ Licoricesaponin G2 GC 35b 20.07 C30 H46 O5 486.3345 −0.9 487.3432[M + H]+ ; 317.2125[M + H-C10 H18 O2 ]+ Echinatic acid GC 36b 20.07 C30 H46 O5 486.3345 −0.9 487.3432[M + H]+ ; 317.2125[M + H-C10 H18 O2 ]+ Isoechinatic acid GC 37b 20.07 C30 H46 O5 486.3345 −0.9 487.3432[M + H]+ ; 317.2125[M + H-C10 H18 O2 ]+ Triphyllic acid GC 20.07 C30 H44 O4 468.3239 0 469.3324[M + H]+ ; 451.3214[M + H-H2 O]+ ; 439.3210[M + H-CH2 O]+ Glabrolide GC 39b 21.23 C30 H46 O4 470.3396 −0.9 471.3480[M + H]+ ; 317.2118[M + H-C10 H18 O]+ ; 235.1689[M + H-C15 H24 O2 ]+ Glycyrrhetinic acid GC 40b 21.23 C30 H46 O4 470.3396 −0.9 471.3480[M + H]+ ; 317.2118[M + H-C10 H18 O]+ ; 235.1689[M + H-C15 H24 O2 ]+ Liquiritic acid GC 21.23 C30 H46 O4 470.3396 −0.9 471.3480[M + H]+ ; 317.2118[M + H-C10 H18 O]+ ; 235.1689[M + H-C15 H24 O2 ]+ Macedonic acid GC 42b 21.23 C36 H54 O10 646.3717 −0.2 647.3801[M + H]+ ; 453.3372[M + H-C6 H10 O7 ]+ Glycyrrhetinic acid 3-O-β -D-glucuronide GC 43b 21.23 C30 H46 O4 471.3469 −0.9 471.3480[M + H]+ ; 317.211[M + H-C10 H18 O]+ ; 235.1689[M + H-C15 H24 O2 ]+ Isomacedonic acid GC 44b 22.16 C30 H48 O3 456.3604 −1.5 457.3671[M + H]+ ; 303.2310[M + H-C10 H18 O]+ Oleanolic acid GC 22.16 C30 H48 O3 456.3604 −1.5 457.3671[M + H]+ ; 303.2310[M + H-C10 H18 O]+ Betulinic acid GC 22.16 C30 H48 O3 456.3604 −1.5 457.3671[M + H]+ ; 303.2310[M + H-C10 H18 O]+ 11-Deoxyglycyrrhetinic acid GC 22.16 C30 H48 O3 456.3604 −1.5 457.3671[M + H]+ ; 303.2310[M + H-C10 H18 O]+ Glycyrrhetol GC 48a 23.21 C20 H20 O6 356.12599 0.9 357.1333[M + H]+ ; 301.0710[M + H-C4 H8 ]+ ; 283.0605[M + H-C4 H10 O]+ ; 165.0542[M + H-C11 H12 O3 ]+ ; 153.0544[M + H-C13 H16 O2 ]+ ; 135.0433[M + H-C13 H18 O3 ]+ ; 123.0434[M + H-C13 H14 O4 ]+ Sigmoidin B GC 23.21 C20 H20 O6 356.1259 0.9 301.0710[M + H-C3 H4 O]+ ; 191.1066[M + H-C9 H10 O3 ]+ ; 167.0698[M + H-C11 H10 O3 ]+ ; 153.0544[M + H-C11 H12 O3 ]+ ; 137.0592[M - H-C12 H11 O4 ]+ ; 135.0433[M + H-C12 H14 O4 ]+ ; 123.0434[M + H-C13 H14 O4 ]+ Piperitol GC 50d 23.21 C20 H20 O6 356.126 0.9 147.0437[M + H-C11 H14 O4 ]+ , 301.0710[M + H-C3 H4 O]+ , 175.0385[M + H-C10 H14 O3 ]+ , 135.0433[M + H-C12 H14 O4 ]+ Coniferyl ferulate GC 23.26 C17 H14 O6 314.079 0.3 315.0872[M + H]+ ; 299.0563[M + H-CH4 ]+ ; 271.0589[M + H-C2 H4 O]+ ; 257.0444[M + H-C3 H6 O]+ ; 121.0280[M + H-C10 H10 O4 ]+ Kumatakenin GC 52a 23.29 C21 H20 O6 368.1259 0 369.1341[M + H]+ ; 313.0710[M + H-C4 H8 ]+ ; 285.0763[M + H-C5 H8 O]+ ; 271.0600[M + H-C6 H10 O]+ ; 243.0656[M + H-C7 H10 O2 ]+ ; 227.0700[M + H-C8 H12 O3 ]+ Licoarylcoumarin GC 53e 23.29 C21 H20 O6 368.1259 0 369.1341[M + H]+ ; 313.0710[M + H-C4 H8 ]+ ; 299.1281[M + H-C5 H10 ]+ ; 285.0763[M + H-C4 H4 O2 ]+ ; 283.0606[M + H-C5 H10 O]+ ; 271.0600[M + H-C6 H10 O]+ ; 257.0800[M + H-C7 H12 O]+ ; 243.0656[M + H-C6 H6 O3 ]+ ; 227.0700[M + H-C7 H10 O3 ]+ ; 209.0584[M + H-C8 H4 O3 ]+ ; 205.0495[M + H-C10 H12 O2 ]+ ; 181.0632[M + H-C12 H14 O2 ]+ ; 135.0436[M + H-C13 H14 O4 ]+ Glycycoumarin GC 54a 24.14 C20 H18 O6 354.1103 −0.3 355.1184[M + H]+ ; 337.1076[M + H-H2 O]+ ; 245.0454[M + H-C6 H6 O2 ]+ ; 243.0654[M + H-C6 H8 O2 ]+ ; 229.0862[M + H-C7 H10 O2 ]+ ; 189.0905[M + H-C10 H14 O2 ]+ ; 179.0336[M + H-C11 H12 O2 ]+ ; 163.0384[M + H-C11 H12 O3 ]+ ; 147.0444[M + H-C11 H12 O4 ]+ Gancaonin C GC 55a 24.14 C20 H18 O6 354.1103 −0.3 355.1184[M + H]+ ; 337.1076[M + H-H2 O]+ ; 299.0556[M + H-C3 H4 O]+ ; 217.0500[M + H-C7 H6 O3 ]+ ; 201.0910[M + H-C7 H6 O4]+ ; 189.0905[M + H-C8 H6 O4 ]+ ; 179.0336[M + H-C11 H12 O2 ]+ ; 153.0182[M + H-C13 H14 O2 ]+ ; 151.0386[M + H-C11 H8 O4 ]+ ; 123.0436[M + H-C14 H16 O3 ]+ Licoisoflavanone GC 56a 24.31 C21 H22 O4 338.1518 −0.8 339.1577[M + H]+ ; 297.1528[M + H-C2 H2 O]+ ; 271.0969[M + H-C5 H8 ]+ ; 245.1195[M + H-C6 H6 O]+ ; 229.0851[M + H-C7 H10 O]+ ; 187.0744[M + H-C8 H8 O3 ]+ ; 121.0287[M + H-C14 H18 O2 ]+ ; 107.0498[M + H-C14 H16 O3 ]+ Licochalcone A GC 57e 24.4 C22 H22 O6 382.1416 −0.1 327.0862[M + H-C4 H8 ]+ ; 311.0545[M + H-C4 H8 O]+ ; 299.0918[M + H-C4 H4 O2 ]+ ; 297.0383[M + H-C5 H10 O]+ ; 295.0595[M + H-C5 H12 O]+ ; 283.0605[M + H-C6 H12 O]+ ; 163.0396[M + H-C13 H16 O3 ]+ Glucyrin GC 24.57 C21 H18 O6 366.1103 −1 367.1178[M + H]+ ; 339.1264[M + H-CO]+ ; 337.0716[M + H-CH2 O]+ ; 311.0565[M + H-C4 H8 ]+ ; 297.0395[M + H-C5 H10 ]+ ; 283.0615[M + H-C6 H12 ]+ ; 281.0453[M + H-C5 H10 O]+ ; 269.0461[M + H-C6 H10 O]+ ; 255.0661[M + H-C7 H12 O]+ Neoglycyrol GC 59a 24.58 C20 H18 O5 338.1154 −1 339.1273[M + H]+ ; 297.0762[M + H-C2 H2 O]+ ; 283.0604[M + H-C4 H8 ]+ ; 271.0609[M + H-C5 H8 ]+ ; 255.0670[M + H-C5 H8 O]+ ; 253.0456[M + H-C5 H10 O]+ ; 227.0678[M + H-C6 H8 O2 ]+ Licoflavone C GC 60a 24.6 C21 H22 O5 354.1467 −0.7 355.1467[M + H]+ ; 299.0934[M + H-C3 H4 O]+ ; 215.1055[M + H-C7 H8 O3 ]+ ; 191.1081[M + H-C9 H8 O3 ]+ ; 173.0974[M + H-C9 H10 O4 ]+ ; 153.0550[M + H-C13 H14 O2 ]+ ; 135.0434[M + H-C12 H12 O4 ]+ ; 123.0460[M + H-C14 H16 O3 ]+ ; 107.0489[M + H-C14 H16 O4 ]+ 3′-methoxyglabridin GC 61a 25.17 C20 H20 O4 324.1361 −0.6 325.1362[M + H]+ ; 189.0905[M + H-C8 H8 O2 ]+ ; 149.0597[M + H-C11 H12 O2 ]+ ; 147.0812[M + H-C11 H14 O2 ]+ ; 123.0434[M + H-C13 H14 O2 ]+ ; 121.0648[M + H-C12 H12 O3 ]+ Bavachin GC 62a 25.38 C21 H20 O5 352.131 −0.9 353.1399[M + H]+ ; 325.1398[M + H-CO]+ ; 323.0944[M + H-CH2 O]+ ; 193.0485[M + H-C11 H12 O]+ ; 189.0923[M + H-C9 H8 O3 ]+ ; 165.0548[M + H-C12 H12 O2 ]+ ; 147.0799[M + H-C12 H14 O3 ]+ ; 135.0463[M + H-C13 H14 O3 ]+ ; 123.0438[M + H-C13 H10 O4 ]+ ; 119.0494[M + H-C13 H14 O4 ]+ Gancaonin G GC 63a 25.55 C20 H16 O6 352.0947 −1.3 353.1023[M + H]+ ; 335.0916[M + H-H2 O]+ ; 325.1064[M + H-CO]+ ; 311.0553[M + H-C3 H6 ]+ ; 295.0596[M + H-C3 H6 O]+ ; 283.0596[M + H-C5 H10 ]+ ; 217.0489[M + H-C7 H4 O3 ]+ ; 153.0176[M + H-C13 H12 O2 ]+ Licoisoflavone B GC 64a 26.03 C20 H16 O5 336.0997 −0.5 337.1053[M + H]+ ; 321.0773[M + H-CH4 ]+ ; 319.0968[M + H-H2 O]+ ; 309.1153[M + H-CO]+ ; 295.0589[M + H-C3 H6 ]+ ; 271.0615[M + H-C5 H6 ]+ ; 267.0651[M + H-C4 H6 O]+ ; 253.0488[M + H-C5 H8 O]+ Glabrone GC 26.48 C22 H26 O5 370.178 1 371.1853[M + H]+ ; 315.1234[M + H-C4 H8 ]+ ; 303.1230[M + H-C5 H8 ]+ ; 235.1331[M + H-C8 H8 O2 ]+ ; 193.0861[M + H-C11 H14 O2 ]+ ; 167.0703[M + H-C13 H16 O2 ]+ ; 149.0596[M + H-C13 H18 O3 ]+ ; 137.0602[M + H-C14 H18 O3 ]+ ; 123.0442[M + H-C15 H20 O3 ]+ Glyasperin D BS 66d 28.01 C16 H22 O4 278.1518 −1 149.0237[M + H-C8 H18 O]+ ; 121.0290[M + H-C9 H18 O2 ]+ Disobutyl phthalate BS 67d 28.01 C16 H22 O4 278.1518 −1 149.0237[M + H-C8 H18 O]+ ; 121.0290[M + H-C9 H18 O2 ]+ Dibutyl phthalate BS 28.53 C18 H32 O2 280.2402 −1.4 178.9986[M + H-C5 H10 O2 ]+ ; 151.0303[M + H-C7 H14 O2 ]+ ; 149.1343[M + H-C7 H16 O2 ]+ ; 141.0669[M + H-C8 H14 O2 ]+ ; 121.1009[M + H-C9 H13 ]+ ; 109.1069[M + H-C8 H13 ]+ Linoleic acid BS 31.53 C15 H30 O2 242.2246 0 243.115[M + H]+ ; 173.0611[M + H-C5 H10 ]+ ; 143.0849[M + H-C7 H16 ]+ ; 141.0683[M + H-C5 H10 O2 ]+ ; 129.0689[M + H-C8 H18 ]+ ; 115.0550[M + H-C9 H20 ]+ Pentadecanoic acid BS 31.94 C19 H34 O2 294.2559 −1 295.1906[M + H]+ ; 263.2330[M + H-CH4 O]+ ; 221.2332[M + H-C3 H6 O2 ]+ ; 219.2069[M + H-C3 H8 O2 ]+ ; 193.1241[M + H-C5 H10 O2 ]+ ; 123.1224[M + H-C9 H20 O2 ]+ Methyl linoleate