135252-60-7 MBID Methyl-4-(acetyloxy)-3a-ethyl-3a,4,5,5a,6,11,12,13a-octahydro-9-(1,2,3,4,6,7,7a,12-octahydro-3-(2-hydroxy-2-hydroxymethylbutyl)-1-(methoxycarbonyl)indolizino(1,2-b)indol-7a-yl)-5-hydroxy-8-methoxy-6-methyl-1H-indolizino(8,1-c,d)-carbazole-5-carboxylate