| 摘要 |
<p>Compounds represented by the following general formula (I) or pharmacologically acceptable salts thereof. These compounds are useful in preventing or treating diseases caused by failures in central and peripheral serotonin regulation, for example, mental diseases (manic-depressive psychosis, anxiety, schizophrenia, epilepsy, sleep disorder, biorhythm disorder, migraine, etc.), circulatory diseases (hypertension, etc.) and digestive function failures, wherein R1 represents hydrogen or halogeno; R2 represents hydroxy or halogeno; and R3 represents hydrogen or halogeno, provided that the case where R?1 and R3¿ are both hydrogen is excluded.</p> |
