6872-98-6 Methyl 1,2',3,3',5'a,6,7',8',9',9'a,10',10'a-dodecahydro-8'-hydroxy-3-oxospiro(2H-indole-2,1'(5'H)-pyrrolo(1,2-b)isoquinoline)-9'-carboxylate (5'aR-(5'aalpha,8'beta,9'beta,9'abeta,10'abeta))- Spiro(2H-indole-2,1'(5'H)-pyrrolo(1,2-b)isoquinoline)-9'-carboxylic acid, 1,2',3,3',5'a,6,7',8',9',9'a,10',10'a-dodecahydro-8'-hydroxy-3-oxo-, methyl ester, (5'aR-(5'aalpha,8'beta,9'beta,9'abeta,10'abeta))- Yohimbine pseudoindoxyl