(1R,2S,4aR,13bS,14aS)-methyl 2-hydroxy-1,2,3,4,4a,5,7,8,13,13b,14,14a-dodecahydroindolo[2',3':3,4]pyrido[1,2-b]isoquinoline-1-carboxylate-13CD3;Antagonil-13CD3;Yohimbine-13CD3;Yohimbe-13CD3;Aphrodine-13CD3;Yohimbine-13CD3;Yohimbine-13CD3;17-Hydroxyyohimban-16-carboxylic acid methyl ester-13CD3;Yohimban-16-carboxylic acid, 17-hydroxy-, methyl ester, (16alpha,17alpha)--13CD3;methyl (1S,15R,18S,19R,20S)-18-hydroxy-1,3,11,12,14,15,16,17,18,19,20,21-dodecahydroyohimban-19-carboxylate-13CD3;(1R,2S,4aR,13bS,14aS)-methyl 2-hydroxy-1,2,3,4,4a,5,7,8,13,13b,14,14a-dodecahydroindolo[2',3':3,4]pyrido[1,2-b]isoquinoline-1-carboxylate-13CD3;Yohimban-16alpha-carboxylic acid, 17alpha-hydroxy-, methyl ester,-13CD3;Yohimban-16alpha-carboxylic acid, 17alpha-hydroxy-, methyl ester,-13CD3;Yohimban-16-carboxylic acid, 17-hydroxy-, methyl ester,(16alpha,17alpha)--13CD3;Yohimbine-(methyl-13C,d3 ester)