1H-Naphtho(2,1-b)pyran-1-one, 3-(dimethylamino)-5-methoxy- 3-(Dimethylamino)-5-methoxy-1H-naphtho(2,1-b)pyran-1-one 5-18-12-00066 (Beilstein Handbook Reference) 57944-45-3 BRN 1651246 K 9905