| abstract |
Polycyclic compounds useful for the treatment, prevention and / or management of various neurological disorders including but not limited to psychosis and schizophrenia, methods for their synthesis, pharmaceutical compositions containing the compounds, And how to use it. A compound represented by the formula (IIa), or a pharmaceutically acceptable salt or stereoisomer thereof. (R 1 to R 7 are each independently H or alkyl, etc .; m is 0; n is 1) [Selection figure] None |