147238-35-5 3-(2-(Dimethylamino)ethoxy)-6-methyl-1-(3-(trifluoromethyl)phenyl)-4(1H)-pyridazinone fumarate 4(1H)-Pyridazinone, 3-(2-(dimethylamino)ethoxy)-6-methyl-1-(3-(trifluoromethyl)phenyl)-, (E)-2-butenedioate (1:1)