Doxycycline Impurity 2

Chemical Name: (4S,4aR,5R,5aS,11aS,12aR) -11a-chloro-4- (dimethylamino)-3,5,10,12a- tetrahydroxy-6-methylene- 1,11,12-trioxo- 1,4,4a,5,5a,6,11,11a,12,12a- decahydrotetracene-2- carboxamide 4- methylbenzenesulfonate

Smile: O=C(C1=C(O)[C@@H](N(C)C)[C@@]([C@@H](O)[C@@]2([H])[C@@](C(C3=C(O)C=CC=C3C2=C)=O)(Cl)C4=O)([H])[C@@]4(O)C1=O)N.O=S(C5=CC=C(C)C=C5)(O)=O