Doxycycline Impurity 1

Chemical Name: (1S,4aR,5aS,11R,11aR,12R, 12aR)-5a-chloro-1- (dimethylamino)-2,4a,5,7,12- pentahydroxy-11-methyl-4,6- dioxo- 1,4,4a,5,5a,6,11,11a,12,12a- decahydro-5,11- epoxytetracene-3- carboxamide

Smile: O=C(C1=C(O)[C@H](N(C)C)[C@@]2([H])[C@@]([C@@](O3)(O)[C@]4(Cl)C(C3(C)C5=CC=CC(O)=C5C4=O)([H])[C@@H]2O)(O)C1=O)N