29113-41-5 4(1H)-Pyrimidinone, 5-butyl-2,3-dihydro-6-methyl-2-thioxo- (9CI) 4-24-00-01353 (Beilstein Handbook Reference) 5-Butyl-6-methyl-2-thiouracil BRN 0152036 Butystat EINECS 249-447-5 NSC 163104 Tireobutil Uracil, 5-butyl-6-methyl-2-thio-