38865-09-7 9H-FLUORENE-2,7-DICARBOXYLIC ACID, 9-OXO-, BIS(4-(DIETHYLAMINO)-1-METHYLBUTYL) E 9H-Fluorene-2,7-dicarboxylic acid, 9-oxo-, bis(4-(diethylamino)-1-methylbutyl) ester, hydrochloride, hydrate (3:6:1)