Compounds of formula (I)
as well as pharmaceutically acceptable salts and esters thereof, wherein L, R
1
, R
2
, m and n have the meaning given in claim
1
and which can be used in the form of pharmaceutical compositions.
公式(I)的化合物,以及 pharmaceutically acceptable salts and esters thereof,其中 L, R1, R2, m 和 n 的含义如权利要求 1 所述,并且可以以药物组合物的形式使用。