| 摘要 |
of the disclosure 1,4-Benzodioxane derivatives of formula I wherein R1 is H or A, Ar is a phenyl radical which is unsubstituted or mono substituted or disubstituted by A, F, Cl, Br, I, CN, OH and/or OA or by a methylenedioxy group, A is alkyl having 1-6 C atoms and m and n are in each case independently of one another 1 or 2, and their salts, are active on the central nervous system.
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