[1]
I. V. Ukrainets, L. O. Petrushova, and S. P. Dzyubenko, “Methyl-substituted anilides of 4-hydroxy-1-methyl-2,2-dioxo-1H-2λ6,1-benzothiazine-3-carb-oxylic acid. Synthesis, spectral characteristics and biological properties”, J. Org. Pharm. Chem., vol. 12, no. 2(46), pp. 53–58, Jun. 2014.