1 M0P 1,3-dimethyl-8-{[2-(morpholin-4-yl)ethyl]sulfanyl}-3,7-dihydro-1h-purine-2,6-dione 1.000 2 M0M (8s)-1,3-dimethyl-8-{[2-(morpholin-4-yl)ethyl]sulfanyl}-6-sulfanylidene-1,3,6,7,8,9-hexahydro-2h-purin-2-one 0.913 3 WDM 1,3-dimethyl-8-{[2-(morpholin-4-yl)-2-oxoethyl]sulfanyl}-6-sulfanylidene-1,3,6,7-tetrahydro-2h-purin-2-one 0.875 4 WDJ 8-{[2-(1,1-dioxo-1lambda~6~,4-thiazinan-4-yl)ethyl]sulfanyl}-1,3-dimethyl-3,7-dihydro-1h-purine-2,6-dione 0.840 5 WDG 1-{2-[(1,3-dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1h-purin-8-yl)sulfanyl]ethyl}piperidine-4-carboxylic acid 0.808 6 M0S 1,3-dimethyl-8-{[2-(pyrrolidin-1-yl)ethyl]sulfanyl}-6-sulfanylidene-1,3,6,9-tetrahydro-2h-purin-2-one 0.792