上游原料
(2S)-N-[(1S)-1-carboxyethyl]-1-ethoxy-1-oxo-2-pentanaminium chloridetert-butyl (2S,3aS,7aS)octahydro-1H-indole-2-carboxylateAniline; Phenylaminebenzenediazonium chloridediethyl 2-methyl-3-oxosuccinateethyl 2-[(E)-2-phenylhydrazono]propanoateIndole-2-carboxylic acid ethyl ester; 2-Carbethoxyindole; 1H-indole-2-carboxylic acid ethyl esterethyl octahydro-1H-indole-2-carboxylateethyl 2-indolinecarboxylate(2S)-2-[[(1S)-1-(ethoxycarbonyl)butyl]amino]propionic acidbenzyl (2S,3aS,7aS)-1-((2S)-2-[[(1S)-1-(ethoxycarbonyl)butyl]amino]propanoyl)octahydro-1H-indole-2-carboxylateoctahydro-1H-indole-2-carboxylic acidbenzyl octahydro-1H-indole-2-carboxylate