150527-23-4 2-(4-(4,4-Bis(4-fluorophenyl)butyl)-1-piperazinyl)-3-pyridinecarboxylic acid methyl ester 3-Pyridinecarboxylic acid, 2-(4-(4,4-bis(4-fluorophenyl)butyl)-1-piperazinyl)-, methyl ester FG 5893 FG-5893