17925-91-6 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) 89385-11-5 2,3-dihydro-1H,2'H,10bH-spiro[cyclopenta[4,5][1,3]oxazino[2,3-a]phthalazine-12,5'-pyrimidine]-1,2',4',6'(1'H,3'H)-tetrone