(S)-2-[(4-Nitro-phenoxycarbonylamino)-methyl]-pyrrolidine-1-carboxylic acid 9H-fluoren-9-ylmethyl ester 、 [(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-pentyl]-carbamic acid 4-nitro-phenyl ester 、
(4-nitrophenyl) N-[(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[4-[(2-methylpropan-2-yl)oxy]phenyl]propyl]carbamate 、 [5-(9
H-fluoren-9-ylmethoxycarbonylamino)-6-(4-nitro-phenoxycarbonylamino)-hexyl]-carbamic acid
tert-butyl ester 、 alkaline earth salt of/the/ methylsulfuric acid 生成 (S)-2-[3-((S)-1-(4-Hydroxy-benzyl)-2-{3-[(S)-1-((S)-4-isobutyl-2,5-dioxo-imidazolidin-1-ylmethyl)-2-methyl-butyl]-ureido}-ethyl)-ureidomethyl]-pyrrolidine-1-carboxylic acid {(S)-6-amino-2-[3-((S)-2,6-diamino-hexyl)-ureido]-hexyl}-amide 、 (S)-2-[3-((S)-2-{3-[(S)-2-[3-((S)-1-{(S)-6-Amino-2-[3-((S)-2,6-diamino-hexyl)-ureido]-hexylcarbamoyl}-pyrrolidin-2-ylmethyl)-ureido]-3-(4-hydroxy-phenyl)-propyl]-ureido}-3-methyl-pentyl)-ureido]-4-methyl-pentanoic acid