(8alpha)-12'-Hydroxy-5'alpha-isobutyl-2'-isopropylergotaman-3',6',18-trione 511-10-4 EINECS 208-122-8 Ergocryptinine Ergotaman-3',6',18-trione, 12'-hydroxy-2'-(1-methylethyl)-5'-(2-methylpropyl)-, (5'alpha,8alpha)- Isoergokryptine