US Patent 7223772 Pyrazolopyridine derivatives as selective cox-2 inhibitors

The invention provides the compounds of formula (I)and pharmaceutically acceptable derivatives thereof wherein:R0 and R1 are independently selected from the group consisting of H, halogen, C1-6alkyl, C1-6alkoxy, and C1-6alkoxy substituted by one or more fluorine atoms;R2 is selected from the group consisting of H, C1-6alkyl, C1-6alkyl substituted by one or more fluorine atoms, C1-6alkoxy, C1-6hydroxyalkyl, SC1-6alkyl, C(O)H, C(O)C1-6alkyl, C1-6alkylsulphonyl, and C1-6alkoxy substituted by one or more fluorine atoms; andR3 is C1-6alkyl or NH2.