p. 819 - 832
(2007/10/02)9,10-dihydroergotamine
(6aR,9R,10aR)-7-Cyano-4,6,6a,7,8,9,10,10a-octahydro-indolo[4,3-fg]quinoline-9-carboxylic acid ((2R,5S,10aS,10bS)-5-benzyl-10b-hydroxy-2-methyl-3,6-dioxo-octahydro-oxazolo[3,2-a]pyrrolo[2,1-c]pyrazin-2-yl)-amide
6-demethyl-9,10-dihydroergotamine
benzyl chloroformate