Cefotaxime Sodium EP Impurity E

Chemical Name: (5aR,6R)-6-[[(2Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetyl]amino]-5a,6-dihydro-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazine-1,7(4H)-dione (deacetylcefotaxime lactone)

Synonym: 2,4-Imidazolidinedione, 5,5-diphenyl-3-[(phosphonooxy)methyl]-, disodium salt; 3-(Hydroxymethyl)-5,5-diphenylhydantoin, disodium phosphate (ester);

Smile: O=C1N2[C@@](SCC(CO3)=C2C3=O)([H])[C@]1([H])NC(/C(C4=CSC(N)=N4)=N\OC)=O