2-Butenoic acid, 3-methyl-, (1R,2R,3R,3aS,6aS,7R,7aS,11aS,11bR,11cS)-1,3,3a,4,5,6a,7,7a,10,11,11a,11b-dodecahydro-1,2,11-trihydroxy-3,8,11a-trimethyl-5,10-dioxo-2H-1,11c-(epoxymethano)phenanthro[10,1-bc]pyran-7-yl ester AIDS-031286 AIDS031286 NSC341651 Senecioylchaparrin, 6-Alpha- (B815099k220)