上游原料
3-methylbenzenesulfonyl chloridemethyl (2S)-2-amino-3-[(tert-butoxycarbonyl)amino]propanoatemethyl (2S)-3-[(tert-butoxycarbonyl)amino]-2-[[(3-methylphenyl)sulfonyl]amino]propanoatemethyl (2S)-3-amino-2-[[(3-methylphenyl)sulfonyl]amino]propanoate4-formylbenzonitrile; 4-Cyanobenzaldehyde4-[(hydroxyimino)methyl]benzonitrilemethyl (2S)-3-amino-2-[[(3-methylphenyl)sulfonyl]amino]propanoatemethyl 3-butenoatemethyl 2-[3-(4-cyanophenyl)-4,5-dihydro-5-isoxazolyl]acetatemethyl 2-(3-[4-[imino(methoxy)methyl]phenyl]-4,5-dihydro-5-isoxazolyl)acetatemethyl 2-(3-[4-[amino(imino)methyl]phenyl]-4,5-dihydro-5-isoxazolyl)acetatemethyl 2-[3-(4-[amino[(tert-butoxycarbonyl)imino]methyl]phenyl)-4,5-dihydro-5-isoxazolyl]acetate2-[3-(4-[amino[(tert-butoxycarbonyl)imino]methyl]phenyl)-4,5-dihydro-5-isoxazolyl]acetic acidmethyl (2S)-3-[[2-(3-[4-[[(tert-butoxycarbonyl)amino](imino)methyl]phenyl]-4,5-dihydro-5-isoxazolyl)acetyl]amino]-2-[[(3-methylphenyl)sulfonyl]amino]propanoatemethyl (2S)-3-[[2-(3-[4-[amino(imino)methyl]phenyl]-4,5-dihydro-5-isoxazolyl)acetyl]amino]-2-[[(3-methylphenyl)sulfonyl]amino]propanoate
