Synonyms: Dihydro-alpha-ergocryptine mesylate;CCRIS 6730;UNII-Z4I7BU58DN;alpha-Dihydroergocryptine;9,10alpha-Dihydro-12'-hydroxy-5'alpha-isobutyl-2'-isopropylergotaman-3',6',18-trione monomethanesulphonate;Ergotaman-3',6',18-trione, 9,10-dihydro-12'-hydroxy-2'-(1-methylethyl)-5'-(2-methylpropyl)-, (5'alpha,10alpha)-, monomethanesulfonate (salt);(5'alpha,10alpha)-12'-hydroxy-5'-(2-methylpropyl)-3',6',18-trioxo-2'-(propan-2-yl)-9,10-dihydroergotaman methanesulfonate (1:1)