silver;[(2S,3S)-4-oxo-3-(phenylmethoxycarbonylamino)azetidin-2-yl]methanethiolate 、
1-(4-nitrobenzyl)-5-t-butyl 3-bromo-2-oxoglutarate 生成 (4-nitrophenyl)methyl (6S,7S)-2-hydroxy-3-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]-8-oxo-7-(phenylmethoxycarbonylamino)-4-thia-1-azabicyclo[4.2.0]octane-2-carboxylate