The problem of the present invention is to provide a compound having a PDE2A inhibitory action, and useful as a prophylactic or therapeutic drug for schizophrenia, Alzheimer's disease and the like. The present invention relates to a compound represented by the formula (I):
wherein each symbol is as described in the DESCRIPTION, or a salt thereof.
[EN] NITROGEN HETEROCYCLIC COMPOUND, PREPARATION METHOD THEREFOR AND USE THEREOF<br/>[FR] COMPOSÉ HÉTÉROCYCLIQUE AZOTÉ, SON PROCÉDÉ DE PRÉPARATION ET SON UTILISATION<br/>[ZH] 氮杂环化合物、其制备方法及用途
申请人:SICHUAN KELUN BIOTECH BIOPHARMACEUTICAL CO LTD