2,7-Bis(2-(diethylamino)ethoxy)-9H-cyclopenta(1,2-b:4,3-b')dipyridin-9-one 89516-83-6 9H-Cyclopenta(1,2-b:4,3-b')dipyridin-9-one, 2,7-bis(2-(diethylamino)ethoxy)-