172255-99-1 4(1H)-Pyrimidinone, 2,3-dihydro-5-(1-methylethyl)-6-[(3-methylphenyl)seleno]-1-[(phenylmethoxy)methyl]-2-thioxo- 6-[(3-Methylphenyl)selenenyl]-5-methylethyl-1-[(phenylmethoxy)methyl]-2-thioxo-1,3-dihydropyrimidin-4-one AIDS-032994 AIDS032994 Thiouracil der.