Similar names: Ergotaman-3',6',18-trione, 12'-hydroxy-2'-(1-methylethyl)-5'-(2-methylpropyl)-, (5'α)-; Ergocryptine (6CI,8CI); (5'α)-12'-Hydroxy-2'-(1-methylethyl)-5'-(2-methylpropyl)ergotaman-3',6',18-trione; 8H-Oxazolo[3,2-a]pyrrolo[2,1-c]pyrazine, ergotaman-3',6',18-trione deriv.; Indolo[4,3-fg]quinoline, ergotaman-3',6',18-trione deriv.; Ergokryptine; NSC 169479; NSC 407319; α-Ergocryptine; α-Ergokryptine; (6aR,9R)-N-[(2R,5S,10aS,10bS)-10b-Hydroxy-2-(1-methylethyl)-5-(2-methylpropyl)-3,6-dioxooctahydro-8H-oxazolo[3,2-a]pyrrolo[2,1-c]pyrazin-2-yl]-7-methyl-4,6,6a,7,8,9-hexahydroindolo[4,3-fg]quinoline-9-carboxamide