上游原料
benzyl (S)-2-methylpyrrolidine-2-carboxylateN-alpha-t-BOC-glycine; 2-[(tert-butoxycarbonyl)amino]acetic acidbenzyl (S)-1-((tert-butoxycarbonyl)glycyl)-2-methylpyrrolidine-2-carboxylate(S)-1-((tert-butoxycarbonyl)glycyl)-2-methylpyrrolidine-2-carboxylic aciddibenzyl L-glutamatedibenzyl ((S)-1-((tert-butoxycarbonyl)glycyl)-2-methylpyrrolidine-2-carbonyl)-L-glutamate((S)-1-((tert-butoxycarbonyl)glycyl)-2-methylpyrrolidine-2-carbonyl)-L-glutamic acidL-proline2,2,2-Trichloro-1,1-ethanediol; Chloral hydrate(3R 7aS)-3-(trichloromethyl)tetrahydro-1H 3H-pyrrolo[1 2-c]oxazol-1-oneIodomethane;Methyl iodide(3R 7aS)-7a-methyl-3-(trichloromethyl)tetrahydro-1H 3H-pyrrolo[1 2-c]oxazol-1-onemethyl (S)-2-methylpyrrolidine-2-carboxylate hydrochloride(S)-2-methylpyrrolidine-2-carboxylic acidN-Carbobenzyloxyglycine; 2-[[(benzyloxy)carbonyl]amino]acetic acidmethyl (S)-1-(((benzyloxy)carbonyl)glycyl)-2-methylpyrrolidine-2-carboxylate(S)-1-(((benzyloxy)carbonyl)glycyl)-2-methylpyrrolidine-2-carboxylic aciddibenzyl L-glutamatedibenzyl ((S)-1-(((benzyloxy)carbonyl)glycyl)-2-methylpyrrolidine-2-carbonyl)-L-glutamateL-prolineTrimethylacetaldehyde; pivalaldehyde; 2,2-Dimethylpropionaldehyde; 2,2-Dimethylpropanal(3R 7aS)-3-(tert-butyl)tetrahydro-1H 3H-pyrrolo[1 2-c]oxazol-1-oneIodomethane;Methyl iodide(3R 7aS)-3-(tert-butyl)-7a-methyltetrahydro-1H 3H-pyrrolo[1 2-c]oxazol-1-one(S)-2-methylpyrrolidine-2-carboxylic acid