上游原料
1,4-diazabicyclo[2.2.2]octane1-(2-amino-2-oxoethyl)-4-aza-1-azoniabicyclo[2.2.2]octane trifluoromethanesulfonate4-nitrobenzyl (4R,5R,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylate2-bromoacetamide1-(2-amino-2-oxoethyl)-4-aza-1-azoniabicyclo[2.2.2]octane bromide4-nitrobenzyl (4R)-2-diazo-4-[(2R,3S)-3-[(1R)-1-hydroxyethyl]-4-oxoazetidinyl]-3-oxopentanoate4-nitrobenzyl (4R,5R,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-3-[[(trifluoromethyl)sulfonyl]oxy]-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate4-nitrobenzyl (4R,5R,6S)-4-methyl-7-oxo-6-[(1R)-1-[(triethylsilyl)oxy]ethyl]-3-[[(trifluoromethyl)sulfonyl]oxy]-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate7-(hydroxymethyl)-9-oxo-9H-fluoren-3-ylboronic acid4-nitrobenzyl (4S,5R,6S)-3-[7-(hydroxymethyl)-9-oxo-9H-fluoren-3-yl]-4-methyl-7-oxo-6-[(1R)-1-[(triethylsilyl)oxy]ethyl]-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate4-nitrobenzyl (4S,5R,6S)-3-[7-(iodomethyl)-9-oxo-9H-fluoren-3-yl]-4-methyl-7-oxo-6-[(1R)-1-[(triethylsilyl)oxy]ethyl]-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate1-(2-amino-2-oxoethyl)-4-[[6-((4S,5R,6S)-4-methyl-2-[[(4-nitrobenzyl)oxy]carbonyl]-7-oxo-6-[(1R)-1-[(triethylsilyl)oxy]ethyl]-1-azabicyclo[3.2.0]hept-2-en-3-yl)-9-oxo-9H-fluoren-2-yl]methyl]-1,4-diazoniabicyclo[2.2.2]octane di(trifluoromethanesulfonate
