1-(3-(4-Fluorobenzoyl)propyl)-4-(3-carboxypropionyl)piperazine 1-Piperazinebutanoic acid, 4-(4-(4-fluorophenyl)-4-oxobutyl)-gamma-oxo- 4-(4-(4-Fluorophenyl)-4-oxobutyl)-gamma-oxo-1-piperazinebutanoic acid 5-23-02-00208 (Beilstein Handbook Reference) 56707-96-1 BRN 0842897