| 摘要 |
Compounds of formula I <IMAGE> (I) wherein R is diethoxymethyl, R1 is hydrogen, R2 is pyrid-3-ylmethyl and R3 is hydrogen, or R is cyclohexylmethyl, R1 is hydrogen and R2 is quinolin-4-ylmethyl, or R1 is hydroxy and R2 is 3,4-methylenedioxybenzyl, 1-(3,4-methylenedioxyphenyl)ethyl, and R3 is hydrogen, or R is benzyl, R1 is hydroxy, R2 is 1-(3,4-methylenedioxyphenyl)ethyl, and R3 is hydrogen, and salts thereof have GABAB-antagonistic properties and can be used for the treatment of diseases responsive to GABAB-antagonists.
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