ceftaroline fosamil (medication)
(6R,7R)-7-(((2Z)-(Ethoxyimino)(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)acetyl)amino)-3-((4-(1-methylpyridinium-4-yl)thiazol-2-yl)sulfanyl)-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-en-2-carboxylate Monoacetate Monohydrate