Rationally based efficacy tuning of selective dopamine D4 receptor ligands leading to the complete antagonist 2-[4-(4-chlorophenyl)piperazin-1-ylmethyl] pyrazolo(1,5-a])pyridine (FAUC 213) - Löber, S; Hübner, H; Utz, W (J Med Chem, 2001)
et al.