23185-53-7 | (3R,8'aβ)-8'-Ethyl-1,2,2',3',6',7',8',8'a-octahydro-1-methyl-2-oxospiro[3H-indole-3,1'(5'H)-indolizine]-8'β-propanoic acid methyl ester | (3R,8'aβ)-8'-Ethyl-1,2,2',3',6',7',8',8'a-octahydro-1-methyl-2-oxospiro[3H-indole-3,1'(5'H)-indolizine]-8'β-propanoic acid methyl ester |