152253-68-4 4H-1-Benzopyran-4-one, 2-[3,4-dihydroxy-2,6-bis(3-methyl-2-butenyl)phenyl]-2,3-dihydro-3,5,7-trihydroxy-8-(3-methyl-2-butenyl)-, (2R,3R)- AIDS-027798 AIDS027798 Petalostemumol