benzhydryl (6R,7R)-7-[[(2Z)-2-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethoxy]imino-2-[2-(tritylamino)-1,3-thiazol-4-yl]acetyl]amino]-8-oxo-3-[(E)-pent-1-en-3-ynyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 生成
(6R,7R)-7-[(Z)-2-(2-aminothiazol-4-yl)-2-(carboxymethoxyimino)acetamido]-3-[(E)-pent-1-en-3-ynyl]ceph-3-em-4-carboxylic acid