109958-09-0 1H-2-OXA-7A-AZACYCLPENTA[CD]INDEN-1-ONE,4-ETHYLIDENE-2A,3,4,6,7,7B-HEXAHYDRO-3-HYDROXY-,[2AS-(2A-A-,3-A-,4E,7B-A-)]- 11052-70-3 (2R)-4α-(Dimethylamino)-3,4,5,6,9,11,12,13,14,16-decahydro-3β,5β,8,10,11β,13α-hexahydroxy-6,13-dimethyl-9,16-dioxo-2α,6α-epoxy-2H-naphthaceno[1,2-b]oxocin-14α-carboxylic acid methyl ester