Desmethyl Tigecycline nitroso Impurity 1

Chemical Name: (4S,4aS,5aR,12aS)-9-(2-(tert-butylamino)acetamido)-7-(dimethylamino)-3,10,12,12a-tetrahydroxy-4-(methyl(nitroso)amino)-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide

Smile: O=C(C1=C(O)[C@@H](N(C)N=O)[C@@](C[C@@]2([H])C(C(C3=C(O)C(NC(CNC(C)(C)C)=O)=CC(N(C)C)=C3C2)=O)=C4O)([H])[C@@]4(O)C1=O)N