4H-pyrazolo(3,4-d)pyrimidin-4-one, 1,5-dihydro-6-((3S,4S)-4-methyl-1-(2-pyrimidinylmethyl)-3-pyrrolidinyl)-1-(tetrahydro-2H-pyran-4-yl)-
4h-pyrazolo(3,4-d)pyrimidin-4-one, 1,5-dihydro-6-((3s,4s)-4-methyl-1-(2-pyrimidinylmethyl)-3-pyrrolidinyl)-1-(tetrahydro-2h-pyran-4-yl)-