上游原料
2-Chloroacetyl chloride; Chloroacetic chlorideEthyl 2-bromoacetate; Ethyl bromoacetate(2R)oxiranylmethyl butyrate;(R)-glycidyl butyrate2-amino-5-nitrophenol7-nitro-2H-1,4-benzoxazin-3(4H)-one4-methyl-7-nitro-2H-1,4-benzoxazin-3(4H)-one7-amino-4-methyl-2H-1,4-benzoxazin-3(4H)-onebenzyl 4-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-7-ylcarbamate7-[(5R)-5-(hydroxymethyl)-2-oxo-1,3-oxazolidin-3-yl]-4-methyl-2H-1,4-benzoxazin-3(4H)-one7-[(5R)-5-(azidomethyl)-2-oxo-1,3-oxazolidin-3-yl]-4-methyl-2H-1,4-benzoxazin-3(4H)-one7-[(5S)-5-(aminomethyl)-2-oxo-1,3-oxazolidin-3-yl]-4-methyl-2H-1,4-benzoxazin-3(4H)-one
