label: 3,9-diethyl-5-(2-(diethylamino)ethoxy)-6-(2-diethylamino)ethoxycarbonyl-7-oxo-7H-benzo(c)fluorene dihydrochloride
label_lc: 3,9-diethyl-5-(2-(diethylamino)ethoxy)-6-(2-diethylamino)ethoxycarbonyl-7-oxo-7h-benzo(c)fluorene dihydrochloride