3,9-Diethyl-5-(2-(diethylamino)ethoxy)-6-(2-diethylamino)ethoxycarbonyl-7-oxo-7H-benzo(c)fluorene dihydrochloride 7H-Benzo(c)fluorene-6-carboxylic acid, 5-(2-(diethylamino)ethoxy)-3,9-diethyl-7-oxo-, 2-(diethylamino)ethyl ester, dihydrochloride 83439-31-0 Vufb 13371 Vufb-13371