| 摘要 |
<p num="1"><br/><br/><br/>A compound of formula (I) wherein R1 is selected from H, F, Cl, Br, CF3, C1-C6 <br/>alkoxy and OH; R2 is selected from H and C1-C6 alkyl; n is 1-12; m is O or 1; <br/>Y is selected from CH2, NR3, (NR3R4)+X", O and S; R3 and R4 are independently <br/>selected from H and C1-C4 alkyl; and X" is selected from pharmaceutically <br/>acceptable anions. A method of preparing the compound, its use as a <br/>pharmaceutical, and a method of treatment.<br/>
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