Synonyms: (6R-(6alpha,7beta(R*)))-7-((Amino(4-hydroxyphenyl)acetyl)amino)-8-oxo-3-((1H-1,2,3-triazol-4-ylthio)methyl)-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, compound with methanol (1:1);(6R,7R)-7-{[amino(4-hydroxyphenyl)acetyl]amino}-8-oxo-3-[(2H-1,2,3-triazol-4-ylsulfanyl)methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid - methanol (1:1)