3H-1,3-Thiazine-2,4-dione, 5,6-dihydro-5-methyl-6-phenyl- 5,6-Dihydro-5-methyl-6-phenyl-3H-1,3-thiazine-2,4-dione 5-Methyl-6-phenyl-m-thiazane-2,4-dione 74007-83-3