5-((3-(1H-pyrazol-1-yl)benzyl)(isobutyl)amino)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one

5-((1H-1,2,4-triazol-1-yl)benzyl)(2-methylbutyl)amino-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one