4-27-00-02758 (Beilstein Handbook Reference) 4H-1,3-Thiazin-4-one, tetrahydro-3-methyl-2-phenyl-, 1,1-dioxide 92368-02-0 BRN 0198921 Tetrahydro-3-methyl-2-phenyl-4H-1,3-thiazin-4-one 1,1-dioxide