2-Mercapto-4,6-dihydroxypyrimidine 2-Thio-4,6-dioxypyrimidine 2-Thiobarbituric acid 4,6(1H,5H)-Pyrimidinedione, 2-mercapto- 4,6(1H,5H)-Pyrimidinedione, dihydro-2-thioxo- 4,6-Dihydroxy-2-thiopyrimidine 504-17-6 Barbituric acid, 2-thio- Bathyran NSC4733 Thiobarbiturate Thiobarbituric acid Usaf ek-660 WLN: T6MV DVN CHJ FSH WLN: T6VMYMV FHJ CUS