N,N-二甲基苄胺 、 7-(D-2-phenylglycinamido)-3-(1-methyl-1H-tetrazol)-5-ylthiomethyl)-3-cephem-4-carboxylic acid 、 2-(3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-4-yl) acetic acid 、 2-(3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-4-yl)acetic pivalic anhydride 、
三甲基乙酰氯 、
N,N-二(三甲基硅基)乙酰胺 生成
7-{D-2-[2-(3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-4-yl)acetamido]-2-phenylacetamido}-3-(1-methyl-1H-tetrazol-5-ylthiomethyl)-3-cephem-4-carboxylic acid