(5-Methyl)dithiouracil 2,4(1H,3H)-Pyrimidinedithione, 5-methyl- 2,4-Dimercapto-5-methylpyrimidine 5-Methyl-2,4(1H,3H)-pyrimidinedithione 6217-61-4 AI3-52684 Dithiothymine EINECS 228-286-4 NSC 32655 Thymine, dithio-