Synonyms: | 3-Methyl-2-thioxo-1,2,3,5,6,7-hexahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one;4H-Cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one, 1,2,3,5,6,7-hexahydro-3-methyl-2-thioxo-;4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one, 3,5,6,7-tetrahydro-2-mercapto-3-methyl- |