上游原料
methyl (2R,3R,4S)-3-(acetamido)-4-azido-2-[(1S,2R)-1,2,3-tris(acetoxy)propyl]-3,4-dihydro-2H-pyran-6-carboxylatetrifluoroacetic anhydridemethyl (2R,3R,4S)-3-[acetyl(tert-butoxycarbonyl)amino]-4-azido-2-[(1S,2R)-1,2,3-tris(acetoxy)propyl]-3,4-dihydro-2H-pyran-6-carboxylatemethyl (2R,3R,4S)-4-azido-3-[(tert-butoxycarbonyl)amino]-2-[(1R,2R)-1,2,3-trihydroxypropyl]-3,4-dihydro-2H-pyran-6-carboxylate(2R,3R,4S)-4-azido-3-[(tert-butoxycarbonyl)amino]-6-(methoxycarbonyl)-3,4-dihydro-2H-pyran-2-carboxylic acidN-phenethyl-1-propanamine; N-phenethyl-N-propylaminemethyl (2R,3R,4S)-4-azido-3-[(tert-butoxycarbonyl)amino]-2-[[phenethyl(propyl)amino]carbonyl]-3,4-dihydro-2H-pyran-6-carboxylatemethyl (2R,3R,4S)-3-amino-4-azido-2-[[phenethyl(propyl)amino]carbonyl]-3,4-dihydro-2H-pyran-6-carboxylatemethyl (2R,3R,4S)-4-azido-2-[[phenethyl(propyl)amino]carbonyl]-3-[(2,2,2-trifluoroacetyl)amino]-3,4-dihydro-2H-pyran-6-carboxylatemethyl (2R,3R,4S)-4-amino-2-[[phenethyl(propyl)amino]carbonyl]-3-[(2,2,2-trifluoroacetyl)amino]-3,4-dihydro-2H-pyran-6-carboxylate
