117928-89-9 3-Benzyl-1-(2-morpholinoethyl)-pyrido(3,4-b)pyrazin-2(1H)-one BRN 5359757 Pyrido(3,4-b)pyrazin-2(1H)-one, 1-(2-(4-morpholinyl)ethyl)-3-(phenylmethyl)- Pyrido(3,4-b)pyrazin-2(1H)-one, 3-benzyl-1-(2-morpholinoethyl)-