akuammine

Vincamajoridine

(2S,3E,7aα,12aα,12bβ,15R)-3-Ethylidene-1,3,4,6,7,12b-hexahydro-9-hydroxy-12-methyl-2H,12H-12a,2,7a-(epoxyethanylidene)indolo[2,3-a]quinolizine-15-carboxylic acid methyl ester