2-n-propoxyimino-2-(2-formamido-1,3-thiazol-4-yl)acetic acid 、 7-amino-3-[(1-carboxymethyl-1,2,3,4-tetrazol-5-yl)-thiomethyl]-3-cephem-4-carboxylic acid 生成 7-[2-n-propoxyimino-2-(2-formamido-1,3-thiazol-4-yl)acetamido]-3-(1-carboxymethyl-1H-tetrazol-5-yl)thiomethyl-3-cephem-4-carboxylic acid