12'-hydroxy-2',5'alpha-di(propan-2-yl)-9,10-dihydro-10alpha-ergotaman-3',6',18-trione [ dihydroergocornine methanesulfonate ]
12'-hydroxy-2',5'alpha-di(propan-2-yl)-9,10-dihydro-10alpha-ergotamane-3',6',18-trione [ méthanesulfonate de dihydroergocornine ]