上游原料
(2R,6S)-2,6-Bis[[(benzyloxy)carbonyl]amino]heptanedioic acid(4R)-4-[3-[(4S)-2,5-Dioxo-1,3-oxazolan-4-yl]propyl]-1,3-oxazolane-2,5-dionetert-butyl 1-hydrazinecarboxylate; tert-butyl carbazatetert-butyl 2-[(2R,6S)-2,6-diamino-7-[2-(tert-butoxycarbonyl)hydrazino]-7-oxoheptanoyl]-1-hydrazinecarboxylate(2S,6R)-2,6-Diamino-7-[2-(tert-butoxycarbonyl)hydrazino]-7-oxoheptanoic acid(2S,6R)-6-Amino-2-[[(benzyloxy)carbonyl]amino]-7-[2-(tert-butoxycarbonyl)hydrazino]-7-oxoheptanoic acid(2S,6R)-2-[[(Benzyloxy)carbonyl]amino]-6-[(tert-butoxycarbonyl)amino]-7-[2-(tert-butoxycarbonyl)hydrazino]-7-oxoheptanoic acidbenzyl (2R)-2-aminopropanoatetert-butyl 2-[(2R,6S)-6-[[(benzyloxy)carbonyl]amino]-7-[[(1R)-2-(benzyloxy)-1-methyl-2-oxoethyl]amino]-2-[(tert-butoxycarbonyl)amino]-7-oxoheptanoyl]-1-hydrazinecarboxylate(2R)-2-([(2S,6R)-2-Amino-6-[(tert-butoxycarbonyl)amino]-7-[2-(tert-butoxycarbonyl)hydrazino]-7-oxoheptanoyl]amino)propionic acid(4R)-5-(Benzyloxy)-4-(heptanoylamino)-5-oxopentanoic acid(2R)-2-([(2S,6R)-2-[[(4R)-5-(Benzyloxy)-4-(heptanoylamino)-5-oxopentanoyl]amino]-6-[(tert-butoxycarbonyl)amino]-7-[2-(tert-butoxycarbonyl)hydrazino]-7-oxoheptanoyl]amino)propionic acid(2R,6S)-2,6-Bis[[(benzyloxy)carbonyl]amino]heptanedioic aciddimethyl (2R,6S)-2,6-bis[[(benzyloxy)carbonyl]amino]heptanedioate(2S,6R)-2,6-Bis[[(benzyloxy)carbonyl]amino]-7-methoxy-7-oxoheptanoic acidmethyl (2R)-2-[[(benzyloxy)carbonyl]amino]-5-[(4S)-2,5-dioxo-1,3-oxazolan-4-yl]pentanoate(4R)-5-(Benzyloxy)-4-(heptanoylamino)-5-oxopentanoic acid4-nitrobenzyl (2R)-2-aminopropanoatemethyl (2R,6S)-6-amino-2-[[(benzyloxy)carbonyl]amino]-7-([(1R)-1-methyl-2-[(4-nitrobenzyl)oxy]-2-oxoethyl]amino)-7-oxoheptanoate14-benzyl 5-methyl (5R,9S,14R)-9-[([(1R)-1-methyl-2-[(4-nitrobenzyl)oxy]-2-oxoethyl]amino)carbonyl]-3,11,16-trioxo-1-phenyl-2-oxa-4,10,15-triazadocosane-5,14-dicarboxylate(2R)-5-[[(1S,5R)-5-Amino-1-([[(1R)-1-carboxyethyl]amino]carbonyl)-6-methoxy-6-oxohexyl]amino]-2-(heptanoylamino)-5-oxopentanoic acid