1 5NV 8-[(3-azanyl-1~{H}-1,2,4-triazol-5-yl)sulfanylmethyl]-3-[(4-chlorophenyl)methyl]-7-ethyl-purine-2,6-dione 1.000 2 5OU 3-[(4-chlorophenyl)methyl]-7-ethyl-purine-2,6-dione 0.724