1193-28-8 2,4(1H,3H)-Pyrimidinedithione 2,4-Dimercaptopyrimidine 2,4-Dithiopyrimidine 2,4-Dithiouracil 2,4-Dithioxopyrimidine 2,4-Pyrimidinedithiol 2001-93-6 35455-73-3 AI3-25475 Dithiopyrimidine Dithiouracil EINECS 217-894-5 NSC 42031 URACIL, 2,4-DITHIO- USAF CB-14