Patent ID: 7371864

Claim:
Form N-1 of crystalline 3-(1-hydroxy-1-methyl-ethyl)-1-(4-methoxy-phenyl)-6-[4-(2-oxo-2H-pyridin-1-yl)-phenyl]-1,4,5,6-tetrahydro-pyrazolo[3,4-c]pyridin-7-one, which is characterized by unit cell parameters substantially equal to the following: Cell dimensions: a=9.534(1) Å b=9.842(1) Å c=13.469(1) Å α=87.95(1) β=83.18(1) γ=70.22(1) Space group P-1 Molecules/asymmetric unit 1 wherein said crystalline form is at about +22° C.