The present invention relates to compounds of formula I
wherein R
1
to R
4
and G 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 and R1 to R4 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 R1 to R4 and G 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.