1-Oxo-3-dimetilammino-9-metossi-1H-nafto(2,1-b)pirani [Italian] 1H-Naphtho(2,1-b)pyran-1-one, 3-(dimethylamino)-9-methoxy- 3-(Dimethylamino)-9-methoxy-1H-naphtho(2,1-b)pyran-1-one 5-18-12-00067 (Beilstein Handbook Reference) 57944-53-3 BRN 1647839 K 9894