Synonyms: Ergocristine,9,10-dihydro-, monomethanesulfonate (salt) (8CI);Ergocristine, dihydro-,methanesulfonate (6CI,7CI);Ergotaman-3',6',18-trione,9,10-dihydro-12'-hydroxy-2'-(1-methylethyl)-5'-(phenylmethyl)-, (5'a,10a)-, monomethanesulfonate (salt) (9CI);9,10-Dihydroergocristine methanesulfonate;Dihydroergocristine methanesulfonate;