172255-98-0 4(1H)-Pyrimidinone, 2,3-dihydro-5-(1-methylethyl)-1-[(phenylmethoxy)methyl]-6-(phenylseleno)-2-thioxo- 6-Phenylselenenyl-5-methylethyl-1-[(phenylmethoxy)methyl]-2-thioxo-1,3-dihydropyrimidin-4-one AIDS-032993 AIDS032993 Thiouracil der.