p. 5201 - 5204
(2007/10/02)(5S,11aS,11bS)-5-Benzyl-11a-hydroxy-11-methyl-1,2,3,11,11a,11b-hexahydro-3a,5a,11-triaza-cyclopenta[a]anthracene-4,6-dione
(4S,10S)-10-Benzyl-2-methyl-2,8,11-triaza-tricyclo[11.4.0.04,8]heptadeca-1(13),14,16-triene-3,9,12-trione
(S)-1-[(S)-2-(2-Methylamino-benzoylamino)-3-phenyl-propionyl]-pyrrolidine-2-carboxylic acid 4-nitro-phenyl ester