7-(2-(2-aminothizol-4-yl)-2-(1-carboxy-1-methyl)ethoxyiminoacetamido)-3-(2-(1,5-dihdroxy-4-pyridon-2-yl)ethenyl)ceph-3-em-4-carboxylic acid
7-(2-(2-aminothizol-4-yl)-2-(1-carboxy-1-methyl)ethoxyiminoacetamido)-3-(2-(1,5-dihdroxy-4-pyridon-2-yl)ethenyl)ceph-3-em-4-carboxylic acid