Natural Products with Inhibitory Activity against Human Immunodeficiency Virus Type 1

Figure 3

Chemical structure of representative coumarins with antiviral activity against HIV-1. (a) (+)-Calanolide A. (b) (−)-Calanolide B. (c) Cordatolide A. (d) GUT-70. (e) Imperatorin. (f) Mesuol.

(a)

(b)

(c)

(d)

(e)

(f)