Synthesis and the biological activity of 4-hydroxy-2,2-dioxo-1H-2λ6,1-benzothiazin-3-carboxylic acids trifluoromethyl-substituted anilides - L. A. Petrushova; I. V. Ukrainets; S. P. Dzyubenko; L. A. Grinevich (Journal of organic and pharmaceutical chemistry, 2015)