2,4(1H,3H)-Pyridinedione, 3,3-diethyl-1-(3-(4-(2-hydroxyethyl)-1-piperazinyl)propyl)-, monohydrochloride 3,3-Diethyl-1-(3-(4-(2-hydroxyethyl)-1-piperazinyl)propyl)-2,4(1H,3H)-pyridinedione HCl 74619-92-4