18-Carbomethoxycleavamine

18S-Carbomethoxycleavamine

16α-Carbomethoxycleavamine

(7R,9S)-5-Ethyl-1,4,7,8,9,10-hexahydro-2H-3,7-methanoazacycloundecino[5,4-b]indole-9-carboxylic acid methyl ester