abstract |
Piperazine derivatives of formula (I);n n n Formula In n n n n n n n Wherein R 1 and R 2 each have the meaning of claim 1.n n n Is a dopamine ligand with selectivity for the D4 receptor and is suitable for the treatment and prevention of anxiety, depression, schizophrenia, OCD, Parkinson's disease, delayed facial paralysis, nausea, gastrointestinal disorders. |