90672-80-3 
 
9-((4-fluoropiperidin-4-yl)methyl)-2-(2-isopropylphenyl)-7,9-dihydro-8H-purin-8-one 
 
9-((1-(2,5-dimethylthiazol-4-yl)-4-fluoropiperidin-4-yl)methyl)-2-(2-isopropylphenyl)-7,9-dihydro-8H-purin-8-one 
[1]Patent:WO2017/87837,2017,A1.Locationinpatent:Paragraph00536