173284-33-8 2-(4-(4-(2-Pyrimidinyl)-1-piperazinyl)butyl)-4,6-dimethyl-3-oxoisothiazolo(5,4-b)pyridine Isothiazolo(5,4-b)pyridin-3(2H)-one, 4,6-dimethyl-2-(4-(4-(2-pyrimidinyl)-1-piperazinyl)butyl)-