2-Dietilammino-4-oxo-4H-nafto(1,2-b)pirano [Italian] 4H-Naphtho(1,2-b)pyran-4-one, 2-(diethylamino)- 5-18-11-00496 (Beilstein Handbook Reference) 61035-03-8 BRN 1648017 K 12165