(6R,7R)-7-[(Z)-2-(2-aminothiazol-4-yl)-2-[(2-aminothiazol-4-yl)methoxyimino]acetamido]-3-(acetoxymethyl)-ceph-3-em-4-carboxylic acid sodium salt 、
4H-环戊二烯并[b]吡啶-4-硫酮,1,5,6,7-四氢-1-甲基- 生成 (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[(2-amino-1,3-thiazol-4-yl)methoxyimino]acetyl]amino]-3-[(1-methyl-6,7-dihydro-5H-cyclopenta[b]pyridin-1-ium-4-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate