5-beta-CARD-20(22)-ENOLIDE, 7-beta,8-EPOXY-3-beta,14-DIHYDROXY- 6875-16-7 7-beta,8-Epoxy-3-beta,14-dihydroxy-5-beta-card-20(22)-enolide Card-20(22)-enolide, 7,8-epoxy-3,14-dihydroxy-, (3-beta,5-beta,7-beta)- (9CI) Card-2o(22)-enolide, 7,8-epoxy-3,14-dihydroxy-, (3beta,5beta,7beta)- Tanghinigenin