(6R,7R)-7-((Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-3-((5-amino-4-(3-(2-aminoethyl)ureido)-1-methyl-1H-pyrazol-2-ium-2-yl)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;ceftolozanum;Ceftolozane ;ceftolozano;7-{[(2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-{[(2-carboxypropan-2-yl)oxy]imino}acetyl]amino}-3-[ (5-amino-4-{[(2-aminoethyl)carbamoyl]amino}-1-methyl-1H-pyrazol-2-ium-2-yl)methyl]-3,4-didehydrocepham-4-carboxylate;(6R,7R)-7-((Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-3-((3-amino-4-(3-(2-aminoethyl)ureido)-2-methyl-1H-pyrazol-2-ium-1-yl)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;