1 9Q9 1-cyclopentyl-6-({(2r)-1-[(3s)-3-fluoropyrrolidin-1-yl]-1-oxopropan-2-yl}amino)-1,5-dihydro-4h-pyrazolo[3,4-D]pyrimidin-4-one 1.000 2 EZU 1-cyclopentyl-6-[[(2r)-1-(2-oxa-6-azaspiro[3.3]heptan-6-yl)-1-oxidanylidene-propan-2-yl]amino]-5h-pyrazolo[3,4-D]pyrimidin-4-one 0.828 3 06A 1-cyclopentyl-6-[[(2r)-1-(6-fluoranyl-2-azaspiro[3.3]heptan-2-yl)-1-oxidanylidene-propan-2-yl]amino]-5h-pyrazolo[3,4-D]pyrimidin-4-one 0.800