Synonyms: 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid, 7-amino-8-oxo-3-[(1H-1,2,3-triazol-4-ylthio)methyl]-, (6R-trans)-;1H-1,2,3-Triazole, 5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acidderiv.;7-Amino-3-(1,2,3-triazol-5-ylthiomethyl)-3-cephem-4-carboxylic acid;