172255-81-1 4(1H)-Pyrimidinone, 2,3-dihydro-1-[(2-hydroxyethoxy)methyl]-5-(1-methylethyl)-6-[(3-methylphenyl)seleno]-2-thioxo- 5-Methylethyl-1-[(2-hydroxyethoxy)methyl]-6-[(3-methylphenyl)selenenyl]-2-thioxo-1,3-dihydropyrimidin-4-one AIDS-032980 AIDS032980 Thiouracil der.