ORGANIC COMPOUNDS

摘要

The invention provides a new method of treating diseases or conditions characterized by reduced dopamine Dl receptor signaling activity, such as Parkinson's disease, depression, and cognitive impairment of schizophrenia, comprising administering an effective amount of a 1,3,5,-substituted, 6,7-dihydro-lH-pyrazolo[4,3-cf]pyrimidin-7- one to a patient in need thereof.