上游原料
benzyl 2-bromoacetate2-Bromoacetic acid tert-butyl ester; tert-butyl 2-bromoacetate; tert-Butyl bromoacetate(2R,3S)-N,6-dimethoxy-2-(4-methoxyphenyl)-N-methyl-2,3-dihydro-1-benzothiophene-3-carboxamidebenzyl 2-[2,4-dioxo-3,4-dihydro-1(2H)-pyrimidinyl]acetatetert-butyl 2-[3-[2-(benzyloxy)-2-oxoethyl]-2,6-dioxo-1(2H,6H)-pyrimidinyl]acetate2-[3-[2-(tert-butoxy)-2-oxoethyl]-2,4-dioxo-3,4-dihydro-1(2H)-pyrimidinyl]acetic acid(2S)-1-[(2S)-2-amino-3-methylbutanoyl]-N-{(1S)-1-[(S)-1,3-benzoxazol-2-yl(hydroxy)methyl]-2-methylpropyl}-2-pyrrolidinecarboxamidetert-butyl 2-[3-(2-{[(1S)-1-({(2S)-2-[({(1S)-1-[(S)-1,3-benzoxazol-2-yl(hydroxy)methyl]-2-methylpropyl}amino)carbonyl]pyrrolidinyl}carbonyl)-2-methylpropyl]amino}-2-oxoethyl)-2,6-dioxo-3,6-dihydro-1(2H)-pyrimidinyl]acetatetert-butyl 2-[3-{2-[((1S)-1-{[(2S)-2-({[(1S)-1-(1,3-benzoxazol-2-ylcarbonyl)-2-methylpropyl]amino}carbonyl)pyrrolidinyl]carbonyl}-2-methylpropyl)amino]-2-oxoethyl}-2,6-dioxo-3,6-dihydro-1(2H)-pyrimidinyl]acetate