QW091201

Wilforlide A

Synonyms: (2S,5S,5aR,7aS,7bR,9aR,11S,13aR,13bR,15bS)-11-hydroxy-2,5a,7a,7b,10,10,13a-heptamethyl-1,5,5a,6,7,7a,7b,8,9,9a,10,11,12,13,13a,13b,14,15b-octadecahydro-2,5-methanochryseno[2,1-c]oxepin-3(2H)-one