3-(4’-哌啶基)-1H-吲哚 、 3-(Difluoromethyl)-6-(piperazin-1-yl)-[1,2,4]triazolo[4,3-b]pyridazine 以to give 3-(difluoromethyl)-6-[4-(1H-indol-3-yl)piperidin-1-yl][1,2,4]triazolo[4,3-b]pyridazine in 85% yield的产率得到3-(difluoromethyl)-6-[4-(1H-indol-3-yl)piperidin-1-yl][1,2,4]triazolo[4,3-b]pyridazine