Tigecycline Impurity 8

Chemical Name: (1S ,4aR ,4bR ,10aR ,11aS )-7-[2-(tert-Butylamino)acetamido]-9(dimethylamino)-1,4,4a,6-tetrahydroxy-2,5,12-trioxo-1,2,4a,5,10,10a,11,11a-octahydro1,4b-methanobenzo[b]fluorene-3-carboxamide trifluoroacetic acid

Smile: O=C(C1=C(O)[C@]2(O)[C@]3([C@](CC4=C(N(C)C)C=C(NC(CNC(C)(C)C)=O)C(O)=C45)([H])C[C@]2([H])[C@@](C3=O)(O)C1=O)C5=O)N.O=C(O)C(F)(F)F