51244-55-4 6-(2-(Dimethylamino)ethyl)-3-methyl-4-phenylisoxazolo(3,4-d)pyridazin-7(6H)-one BRN 1016982 Isoxazolo(3,4-d)pyridazin-7(6H)-one, 6-(2-(dimethylamino)ethyl)-3-methyl-4-phenyl-