Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
A tetrahydroprotoberberine agonist at dopamine D1 and antagonist at D2 receptors. It is used for preventing or treating neural diseases. The neural diseases comprise parkinsonism, schizophrenia and dyskinesia which is produced by L-DOPA or medicine to treat schizophrenia. Antipsychotics.