139774-80-4 3-(2-(4-Morpholinyl)ethyl)oxazolo(4,5-b)pyridin-2(3H)-one 3-(2-Morpholinoethyl)oxazolo(4,5-b)pyridin-2(3H)-one Oxazolo(4,5-b)pyridin-2(3H)-one, 3-(2-(4-morpholinyl)ethyl)-