[Retracted] Endophytic Fungi and Secondary Metabolites of Rehmannia Glutinosa Based on Traditional Chinese Medicine Fingerprints

<div>Compound 2. <sup>1</sup>H NMR (400 MHz, CDCl<sub>3</sub>) gave 8 hydrogen signals, including 3 aromatic hydrogen signals [<i>δ</i>: 6.79 (1H, d, <i>J</i> = 8.4 Hz, H-3), 6.32 (1H, dd, <i>J</i> = 8.4, 2.1 Hz, H-4), 6.18 (1H, d, <i>J</i> = 2.1 Hz, H-6)], 1 methoxy signal [<i>δ</i>: 3.66 (3H, s, H-9)], and 1 methylene signal [<i>δ</i>: 2.61 (2H, q, <i>J</i> = 5.6 Hz, H-7)].</div>

Contrast Media & Molecular Imaging

fig4

Figure 4

Figure 4: [Retracted] Endophytic Fungi and Secondary Metabolites of Rehmannia Glutinosa Based on Traditional Chinese Medicine Fingerprints 