The present invention relates to compounds of formula I
wherein G and R
1
to R
5
and R
12
are as defined in the description and claims, and pharmaceutically acceptable salts thereof. The compounds are useful for the treatment and/or prevention of diseases which are associated with the modulation of H3 receptors.
The present invention relates to compounds of formula I
wherein A, G and R1 to R3 are as defined in the description and claims, and pharmaceutically acceptable salts thereof. The compounds are useful for the treatment and/or prevention of diseases which are associated with the modulation of H3 receptors.