2,7-Bis(2-(diethylamino)ethoxy)-9H-fluoren-9-one 27591-69-1 27591-97-5 9H-FLUOREN-9-ONE, 2,7-BIS(2-(DIETHYLAMINO)ETHOXY)- BRN 2011558 Bis-deae-fluorenone Tilorona [INN-Spanish] Tilorone Tiloronum [INN-Latin]