IUPAC:(6R,7R)-7-[(2R)-2-({4-[(1,1,2,2,2-2H5)ethyl]-2,3-dioxopiperazine-1-carbonyl}amino)-2-(4-hydroxyphenyl)acetamido]-3-{[(1-methyl-1H-1,2,3,4-tetrazol-5-yl)sulfanyl]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
IUPAC:(6R,7R)-7-[(2R)-2-({4-[(1,1,2,2,2-2H5)ethyl]-2,3-dioxopiperazine-1-carbonyl}amino)-2-(4-hydroxyphenyl)acetamido]-3-{[(1-methyl-1H-1,2,3,4-tetrazol-5-yl)sulfanyl]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid