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(2007/10/03)N-(2-chloroethyl)-N'-methyl-N'-{2-[D-(N-9-fluorenylmethoxycarbonylalanyl)-L-phenylalanyl-L-(Nω-9-fluorenylmethoxycarbonyllysyl)amino]ethyl}-N-nitrosourea
L-phenylalanine tert-butyl ester
((S)-5-[2-(tert-Butoxycarbonyl-methyl-amino)-ethylcarbamoyl]-5-{(S)-2-[(R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-propionylamino]-3-phenyl-propionylamino}-pentyl)-carbamic acid 9H-fluoren-9-ylmethyl ester
(S)-6-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-{(S)-2-[(R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-propionylamino]-3-phenyl-propionylamino}-hexanoic acid
D-(N-9-fluorenylmethoxycarbonylalanyl)-L-phenylalanine tert-butyl ester