12'-Hydroxy-2'-(1-methylethyl)-5'alpha-(2-methylpropyl)-9,10alpha-dihydroergotaman-3',6',18-trione 25447-66-9 Dihydroergocryptine Dihydroergokryptine EINECS 246-993-6 Ergotaman-3',6',18-trione, 9,10-dihydro-12'-hydroxy-2'-(1-methylethyl)-5'-(2-methylpropyl)-, (5'alpha,10alpha)-