Ceftazidime

Chemical Name: (6R,7R)-7-[[(2Z)-2-(2-Aminothiazol-4-yl)-2-[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-8-oxo-3-[(pyridin-1-ium-1-yl)methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate (as per EP); [6R[6α,7β(Z)]]-1-[[(6R,7R)-7-[2-(2-Amino-4-thiazolyl)glyoxylamido]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en–3-yl]methyl]pyridinium hydroxide, inner salt, 72-(Z)-[O(1-carboxy-1-methylethyl)oxime] (as per USP)

Synonym: 1-(4,6-difluoro-6-(1H-1,2,4-triazol-1-yl)cyclohexa-1,4-dien-1-yl)ethan-1-one

Smile: [O-]C(C(N1[C@@]2([H])[C@H](NC(/C(C3=CSC(N)=N3)=N\OC(C)(C)C(O)=O)=O)C1=O)=C(CS2)C[N+]4=CC=CC=C4)=O