AIDS-031240 AIDS031240 Aspidospermidine-3-carboxylic acid, 4-(acetyloxy)-6,7-didehydro-15-[(1aS,11S,13S,13aR)-1a-ethyl-1a,2,3,4,5,10,11,12,13,13a-decahydro-11-(methoxycarbonyl)-3-oxido-3,13-methanooxireno[9,10]azacycloundecino[5,4-b]indol-11-yl]-3-hydroxy-16-methoxy-1-methy... Leurosine N-oxide NSC304421