The synthesis, anti-inflammatory, analgesic and antimicrobial activities of ethyl 2-amino-4-alkyl-4,6-dihydropyrano(3,2-c)(2,1)benzothiazin-3-carboxylate 5,5-dioxides and triethylammonium 3-((4-hydroxy-1-ethyl-2,2-dioxido-1H-2,1-benzothiazin-3-yl)alkyl)-1 - D. A. Lega; N. I. Filimonova; I. A. Zupanets; S. K. Shebeko; V. P. Chernykh; L. A. Shemchuk (Journal of organic and pharmaceutical chemistry, 2016)