上游原料
4-bromophenolDichlorophoephoric acid 4-bromophenyl estermethyl 2-aminopropanoate; Alanine, methyl estermethyl 2-[[(4-bromophenoxy)(chloro)phosphoryl]amino]propanoate1-[(2R,4S,5S)-4-azido-5-(hydroxymethyl)tetrahydro-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedionemethyl 2-[[[((2S,3S,5R)-3-azido-5-[[(propionylamino)carbonyl]amino]tetrahydro-2-furanyl)methoxy](4-bromophenoxy)phosphoryl]amino]propanoatemethyl 2-[[(4-bromophenoxy)(chloro)phosphoryl]amino]propanoate1-[(2R,4S,5S)-4-azido-5-(hydroxymethyl)tetrahydro-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione(5R,6R)-1-[(2R,4S,5S)-4-azido-5-(hydroxymethyl)tetrahydro-2-furanyl]-5-bromo-6-methoxy-5-methyldihydro-2,4(1H,3H)-pyrimidinedione(5S,6S)-1-[(2R,4S,5S)-4-azido-5-(hydroxymethyl)tetrahydro-2-furanyl]-5-bromo-6-methoxy-5-methyldihydro-2,4(1H,3H)-pyrimidinedione