Oxytetracycline EP Impurity A

Chemical Name: 4-epioxytetracycline ; (4R,4aR,5S,5aR,6S,12aS)-4-(dimethylamino)-3,5,6,10,12,12a-hexahydroxy-6-methyl-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide

Synonym: N-ethyl-N-phenylnitrous amide

Smile: O[C@@](C(O)=C(C(C1=C2C=CC=C1O)=O)[C@@]3([H])[C@@]2(O)C)(C(C(C(N)=O)=C4O)=O)[C@@]([C@H]4N(C)C)([H])[C@H]3O