| 摘要 |
A compound of Formula I and the pharmaceutically acceptable acid addition salts thereof, <CHEM> wherein R<1> and R<2> are independently selected from lower, meaning C1-4, alkyl or hydrogen; R<3>, R<4>, R<8> and R<9> are independently selected from hydrogen, lower alkyl, lower alkoxy, carbamide, halogen, trifluoromethyl and thio-lower alkyl, with the proviso that R<8> and R<9> cannot both be hydrogen at the same time; A is a C5-7 cycloalkanyl or cycloalkenyl ring, or A is <CHEM> wherein n is an integer from 1 to 3 and R<5> is the same as R<1>; and R<6> and R<7> are independently selected from hydrogen, methyl or R<6> and R<7> can be taken together as a methylene bridge, useful as antidepressants. |
