20,21-Dinoraspidospermidine-3-carboxylicacid, 2,3-didehydro-6,7-epoxy-, methyl ester, (5a,6b,7b,12b,19a)-;12H-Oxireno[6,7]indolizino[8,1-cd]carbazole,20,21-dinoraspidospermidine-3-carboxylic acid deriv.; Rosicine
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