2-Thiobarbituric acid, sodium salt 31645-12-2 4,6(1H,5H)-Pyrimidinedione, dihydro-2-thioxo-, monosodium salt 504-17-6 668980-95-8 Dihydro-2-thioxopyrimidine-4,6(1H,5H)-dione, monosodium salt EINECS 250-749-4