2-(3,4,5-Trimethoxyphenyl)-1,3-perhydrothiazine-4-one 4H-1,3-Thiazin-4-one, tetrahydro-2-(3,4,5-trimethoxyphenyl)- 82697-76-5 Tetrahydro-2-(3,4,5-trimethoxyphenyl)-4H-1,3-thiazin-4-one