23639-03-4 1-(furan-3-yl)-4b,7,7,9b,11a-pentamethyl-3,8-dioxo-3,4b,5,6,6a,7,8,8a,9a,9b,9c,10,11,11a-tetradecahydro-1H-oxireno[7,8]naphtho[2,1-f]isochromen-5-yl acetate 23618-66-8 methyl (1S,2R,3R,4aS,12bS,13aS)-12-[2-(diethylamino)ethyl]-2,10-dimethoxy-3-[(3,4,5-trimethoxybenzoyl)oxy]-2,3,4,4a,5,5a,6,7,12,12b,13,13a-dodecahydro-1H-naphtho[2,3-a]carbazole-1-carboxylate 2,3-dihydroxybutanedioate (1:1)