6-methyl-6H-dibenzo[c,e][1,2]thiazine 5,5-dioxide 6H-dibenzo[c,e][1,2]thiazine, 6-methyl-, 5,5-dioxide InChI=1/C13H11NO2S/c1-14-12-8-4-2-6-10(12)11-7-3-5-9-13(11)17(14,15)16/h2-9H,1H