3-(1,2,3-Triazol-4-ylthiomethyl)-7-(α-amino-p-ureidophenyl-acetamido)-3-cephem-4-carboxylic acid 、 7-(D-α-amino-p-ureidophenylacetamido)-3-(2-methyl-1,3,4-thiadiazol-5-yl)thiomethyl-3-cephem-4-carboxylic acid 生成
7-(D-α-amino-p-ureidophenylacetamido)cephalosporanic acid