3H-Thiazolo(3,4-a)pyrazine-5,8-dione, tetrahydro-7-((3,4-dimethoxyphenyl)methyl)- 7-(3',4'-Dimethoxybenzyl)thiazolidino(3,4-a)piperazine-5,8-dione 95110-34-2 Tetrahydro-7-((3,4-dimethoxyphenyl)methyl)-3H-thiazolo(3,4-a)pyrazine-5,8-dione