Chemical Name: Methyl 6-chloro-4-hydroxy-2-methyl-2H-thieno [2,3-e] [1 ,2]thiazine -3-carboxylate 1,1-dioxide
Synonym: Lornoxicam Methyl Ester Impurity
Smiles: O=C(C1=C(O)C2=C(C=C(Cl)S2)S(N1C)(=O)=O)OC
Inchi: InChI=1S/C5H6N2/c6-5-3-1-2-4-7-5/h1-4H,(H2,6,7)