p. 1246 - 1258
(2007/10/03){(S)-5-(2-Benzyloxycarbonylamino-ethylcarbamoyl)-5-[(S)-2-((R)-2-tert-butoxycarbonylamino-propionylamino)-3-phenyl-propionylamino]-pentyl}-carbamic acid tert-butyl ester
(6R,9S,12S)-9-benzyl-2,2,6,20,20-pentamethyl-4,7,10,18-tetraoxo-3,19-dioxa-5,8,11,17-tetraazahenicosane-12-carboxylic acid
D-(N-tert-butoxycarbonylalanyl)-L-phenylalanine
methyl (2S)-2-amino-3-phenylpropanoate
Boc-(R)-Ala