169971-14-6

[8,15'-Biaspidospermidine]-3,3'-dicarboxylicacid,1,2,2',3,3',18-hexadehydro-6',7':7,16'-diepoxy-15,18-dihydro-6,16-dihydroxy-17-methoxy-15-oxo-,dimethyl ester, (5a,6b,7a,8a,12b,19a)-(5'a,6'b,7'b,12'b,19'a)-