2H-Naphtho(2,1-e)-1,2-thiazine-3-carboxamide, 4-hydroxy-2-methyl-N-(4-methyl-2-pyridinyl)-, 1,1-dioxide 2H-Naphtho(2,1-e)-1,2-thiazine-3-carboxamide, 4-hydroxy-2-methyl-N-(4-methyl-2-pyridyl)-, 1,1-dioxide 61764-15-6 BRN 1230524 UH-A 46 XX Ux-a 46xx