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