Comparative Pharmacokinetic Study of 5 Active Ingredients after Oral Administration of Zuogui Pill in Osteoporotic Rats with Different Syndrome Types

Figure 1

Chemical structures of chlorogenic acid (a), loganin (b), morroniside (c), aucubin (d), protocatechuic aldehyde (e), and tinidazole (IS) (f).

(a)

(b)

(c)

(d)

(e)

(f)