(8-beta)-6-(2-Propenyl)ergoline-8-acetonitrile (Z)-2-butenedioate (1:1) 71014-48-7 D-6-Allyl-8-cyanomethylergoline-I maleate Ergoline-8-acetonitrile, 6-(2-propenyl)-, (8-beta)-, (Z)-2-butenedioate (1:1)