4425-78-9 9H-Fluorene-9-carboxylic acid, 2-(diethylamino)ethyl ester Aminocarbofluorene BRN 2594285 Carbofluorene amino ester FLUORENE-9-CARBOXYLIC ACID, 2-(DIETHYLAMINO)ETHYL ESTER Pavatrin Pavatrineat