106036-65-1 7-(2 (2-Aminothiazol-4-yl)-2-(1-carboxymethylethoxyimino)acetamido)-2-methyl-3-((1-methylpyridinium-4-yl)thiomethyl)-1-oxacephem-4-carboxylate L 656575 L-656,575 Ocp 19-176 Ocp 9-176 Pyridinium, 4-(((7-(((2-amino-4-thiazolyl)((1-carboxy-1-methylethoxy)imino)acetyl)amino)-2-carboxy-4-methyl-8-oxo-5-oxa-1-azabicyclo(4.2.0)oct-2-en-3-yl)methyl)thio)-1-methyl-, hydroxide, inner salt, (4S-(4alpha,6beta,7alpha(Z)))-