141562-38-1 7-((2-Aminothiazol-4-yl)-2-(1-carboxy-1-methyl)ethoxyiminoacetamido)-3-(N-(1,5-dihydroxy-4-pyridon-2-yl)methyl-N-methyl)aminomethyl-3-cephem-4-carboxylic acid CP 6232 CP-6232