英文别名2-sulfanylidene-1,5,6,7-tetrahydrocyclopenta[d]pyrimidin-4-one; 2-Thioxo-1,2,3,5,6,7-hexahydro-4H-cyclopenta[d]pyrimidin-4-one; 5,6-trimethylene-2-thiouracil; 1,2,3,5,6,7-Hexahydro2-thioxo-4H-cyclopentapyrimidin-4-on; 2-Thioxo-1,2,3,5,6,7-hexahydro-cyclopentapyrimidin-4-on; 2-Sulfanyl-3,5,6,7-tetrahydro-4H-cyclopenta[d]pyrimidin-4-one; 5,6-Trimethylen-4-oxo-2-thioxo-1,2,3,4-tetrahydro-pyrimidin; 2-thioxo-1,2,3,5,6,7-hexahydro-cyclopentapyrimidin-4-one; 5,6-trimethylene-2-sulfanylidene-1,2-dihydropyrimidin-4(3H)-one; 4H-Cyclopentapyrimidin-4-one, 1,2,3,5,6,7-hexahydro-2-thioxo-; 2-sulfanyl-5H,6H,7H-cyclopenta[d]pyrimidin-4-ol; 1,2,3,5,6,7-hexahydro-2-thioxo-4H-Cyclopentapyrimidin-4-one; 2-Thioxo-2,3,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4(5H)-one 
