7-(2-(2-aminothiazol-4-yl)-2-(1,5-dihydroxy-4-pyridone-2-carboxamido)acetamido)-3-((1-(2-hydroxyethyl)pyridinium-4-yl)thiomethyl)ceph-3-em-4-carboxylate
7-(2-(2-aminothiazol-4-yl)-2-(1,5-dihydroxy-4-pyridone-2-carboxamido)acetamido)-3-((1-(2-hydroxyethyl)pyridinium-4-yl)thiomethyl)ceph-3-em-4-carboxylate