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(2007/10/03)6-{[4-({4-[(4-tert-Butoxycarbonylamino-1-methyl-1H-pyrrole-2-carbonyl)-amino]-1-methyl-1H-pyrrole-2-carbonyl}-amino)-1-methyl-1H-pyrrole-2-carbonyl]-amino}-hexanoic acid 2-(4-phenylazo-benzylsulfanyl)-ethyl ester
4-tert-butoxycarbonylamino-1-methyl-1H-pyrrole-2-carboxylic acid benzotriazol-1yl ester
2-{[4-(phenylazo)benzyl]thio}ethyl 6-{1-methyl-4-[1-methyl-4-(1-methyl-4-{1-methyl-4-[1-methyl-4-(tert-butoxycarbonylamino)pyrrole-2-carbonyl]aminopyrrole-2-carbonyl}aminopyrrole-2-carbonyl)aminopyrrole-2-carbonyl]aminopyrrole-2-carbonyl}aminohexanoate
6-[(4-{[4-({4-[(4-Amino-1-methyl-1H-pyrrole-2-carbonyl)-amino]-1-methyl-1H-pyrrole-2-carbonyl}-amino)-1-methyl-1H-pyrrole-2-carbonyl]-amino}-1-methyl-1H-pyrrole-2-carbonyl)-amino]-hexanoic acid 2-(4-phenylazo-benzylsulfanyl)-ethyl ester