4(1H)-Pyrimidinone, tetrahydro-1-((4-butoxyphenyl)methyl)-2-thioxo- 5-24-05-00282 (Beilstein Handbook Reference) 55383-90-9 BRN 0805863 N'-(4-Butoxybenzyl)-5,6-dihydrothiouracil Tetrahydro-1-((4-butoxyphenyl)methyl)-2-thioxo-4(1H)-pyrimidinone