7,8-dimethyl-6-(2-(trifluoromethyl)phenyl)imidazo[1,2-b]pyridazin-3-amine 、
6-((2,2-dimethyl-1,3-dioxolan-4-yl)methoxy)picolinic acid 、 以to give 6-((2,2-dimethyl-1,3-dioxolan-4-yl)methoxy)-N-(7,8-dimethyl-6-(2-(trifluoromethyl)phenyl)imidazo[1,2-b]pyridazin-3-yl)picolinamide (60.0 mg, 75%)的产率得到6-((2,2-dimethyl-1,3-dioxolan-4-yl)methoxy)-N-(7,8-dimethyl-6-(2-(trifluoromethyl)phenyl)imidazo[1,2-b]pyridazin-3-yl)picolinamide