Transcriptional Regulation of CYP3A4/2B6/2C9 Mediated via Nuclear Receptor PXR by Helicid and Its Metabolites

Figure 2

(a) is molecular structure of helicid, (b) is molecular structure of helicid oxidized metabolite (I), and (c) is molecular structure of helicid reduced metabolite (II).

(a)

(b)

(c)