26638-56-2 6,11-Dihydro-11-hydroxy-6-methyl-dibenzo(c,f)(1,2)thiazepine S,S-dioxide 6,11-Dihydro-6-methyldibenzo(c,f)(1,2)thiazepin-11-ol 5,5-dioxide Dibenzo(c,f)(1,2)thiazepin-11-ol, 6,11-dihydro-6-methyl-, 5,5-dioxide