(8alpha)-12'-Hydroxy-2',5'alpha-diisopropylergotaman-3',6',18-trione 564-37-4 EINECS 209-273-2 Ergocorninine Ergotaman-3',6',18-trione, 12'-hydroxy-2',5'-bis(1-methylethyl)-, (5'alpha,8alpha)- Isoergocornine