| 摘要 |
Compounds represented the general formula (I) exhibit affinities for various serotonin receptors (such as 5HT-1A, 2, 6, 7, and so on) and are therefore useful as remedies for central nervous system diseases or the like wherein R<1> and R<2> are each independently hydrogen, lower alkyl, or the like; R<3> and R<4> are each independently hydrogen, lower alkyl, or the like; or alternatively R<1> and R<3> may be united to form a single bond; n is 0 or 1; R<5> is hydrogen; R<6> is hydrogen, hydroxyl, or the like; R<7> is hydrogen; R<8> and R<9> are each independently hydrogen, lower alkylthio, or the like; or alternatively R<7> and R<9> may be united to form a single bond; R<10> is hydrogen, lower alkyl, or the like; R<11> is hydrogen, lower alkyl, or the like; and R<12> is hydrogen or lower alkyl |
