2H-1,2,6-Thiadiazine, 3,4-dihydro-3,3,5-trimethyl-, 1,1-dioxide 3,3,5-Trimethyl-3,4-dihydro-2H-1,2,6-thiadiazine 1,1-dioxide 3,4-Dihydro-3,3,5-trimethyl-2H-1,2,6-thiadiazole 1, 1-dioxide 73908-90-4 AIDS-159998 AIDS159998 NSC103998 NSC664276