Synonyms: AC1L4F25;AR-1J6372;methyl(2|A,3|A,4|A,5|A,19|A)-4-(acetyloxy)-15-[(6s,8s)-4-ethyl-8-(methoxycarbonyl)-1,3,6,7,8,8a,9,13b-octahydro-2,6-methanoazecino[4,3-b]indol-8-yl]-3-hydroxy-16-methoxy-1-methyl-6,7-didehydroaspidospermidine-3-carboxylate 2,3-dihydroxybutanedioate(1:1)