Simultaneous Quantification of Aspirin, Its Metabolite Salicylic Acid, and Salvianolic Acid B in Human Plasma Using UPLC-MS/MS

Figure 1

Chemical structures of (a) salvianolic acid B, (b) acetylsalicylic acid, (c) salicylic acid, and (d) chloramphenicol.

(a)

(b)

(c)

(d)