Synonyms: 1',12'-Secoergotaman-3',6',12',18-tetrone,2'-deoxy-2'-(1-methylethyl)-5'-(phenylmethyl)-, (2'S,5'a,11'a)-; Ergocristam;N-(D-Lysergyl-L-valyl)-cyclo(L-phenylalanyl-D-prolyl);N-[N-(d-Lysergyl-L-valyl]-L-phenylalanyl-D-proline lactam; [8b[1S(3S,8aR)]]-9,10-Didehydro-N-[1-[[hexahydro-1,4-dioxo-3-(phenylmethyl)pyrrolo[1,2-a]pyrazin-2(1H)-yl]carbonyl]-2-methylpropyl]-6-methylergoline-8-carboxamide