上游原料
L-prolinemethyl L-prolinate hydrochloride;L-Proline methyl ester hydrochloride(2S)-1-[(benzyloxy)carbonyl]-2-pyrrolidinecarboxylic acidbenzyl (S)-2-((S)-2-(methoxycarbonyl)pyrrolidine-1-carbonyl)pyrrolidine-1-carboxylate((benzyloxy)carbonyl)-L-prolyl-L-proline(2S,3R)-2-amino-3-hydroxybutanamide hydrochloridebenzyl (S)-2-((S)-2-(((2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl)carbamoyl)pyrrolidine-1-carbonyl)pyrrolidine-1-carboxylate(S)-1-(L-prolyl)-N-((2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl)pyrrolidine-2-carboxamide(2S,3R)-2-[[(benzyloxy)carbonyl]amino]-3-hydroxybutyric acidL-Threonine; (2R,3S)-2-amino-3-hydroxybutyric acidbenzyl ((2S,3R)-1-((S)-2-((S)-2-(((2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl)carbamoyl)pyrrolidine-1-carbonyl)pyrrolidin-1-yl)-3-hydroxy-1-oxobutan-2-yl)carbamatel-threonine methyl ester hydrochloride;methyl L-threoninatebenzyl ((2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl)carbamate(2S,3R)-2-amino-3-hydroxybutanamide(2S,3R)-2-amino-3-hydroxybutanamide hydrochloride(2S)-1-[(9H-fluoren-9-ylmethoxy)carbonyl]-2-pyrrolidinecarboxylic acid(9H-fluoren-9-yl)methyl (S)-2-(((2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl)carbamoyl)pyrrolidine-1-carboxylate;(S)-N-((2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl)pyrrolidine-2-carboxamideN-(((9H-fluoren-9-yl)methoxy)carbonyl)-O-(tert-butyl)-L-threonyl-L-proline(9H-fluoren-9-yl)methyl ((2S,3R)-1-((S)-2-((S)-2-(((2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl)carbamoyl)pyrrolidine-1-carbonyl)pyrrolidin-1-yl)-3-(tert-butoxy)-1-oxobutan-2-yl)carbamate(9H-fluoren-9-yl)methyl ((2S,3R)-1-((S)-2-((S)-2-(((2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl)carbamoyl)pyrrolidine-1-carbonyl)pyrrolidin-1-yl)-3-hydroxy-1-oxobutan-2-yl)carbamate(2S,3R)-3-(tert-butoxy)-2-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]butyric acidbenzyl L-prolinate hydrochloride;L-Proline benzyl ester hydrochloridebenzyl N-(((9H-fluoren-9-yl)methoxy)carbonyl)-O-(tert-butyl)-L-threonyl-L-prolinatemethyl L-prolinate hydrochloride;L-Proline methyl ester hydrochloride(2S,3R)-2-amino-3-hydroxybutanamide hydrochlorideN-Boc-O-tert-butyl-l-threonine;N-(tert-butoxycarbonyl)-O-(tert-butyl)-L-threonine(2S)-1-(tert-butoxycarbonyl)tetrahydro-1H-pyrrole-2-carboxylic acid; N-alpha-t-BOC-L-proline; (2S)-1-(tert-butoxycarbonyl)-2-pyrrolidinecarboxylic acid(S)-N-((2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl)pyrrolidine-2-carboxamide hydrochlorideN-(tert-butoxycarbonyl)-O-(tert-butyl)-L-threonyl-L-proline