英文别名N-cyclopropyl-4-pyrazolo[1,5-b]pyridazin-3-yl-2-Pyrimidinamine; 2-Pyrimidinamine, N-cyclopropyl-4-pyrazolo[1,5-b]pyridazin-3-yl-; N-cyclopropyl-4-pyrazolo[1,5-b]pyridazin-3-ylpyrimidin-2-amine; N-cyclopropyl-4-{pyrazolo[1,5-b]pyridazin-3-yl}pyrimidin-2-amine; 2-Pyrimidinamine,N-cyclopropyl-4-pyrazolo[1,5-b]pyridazin-3-yl 
