Tricyclic compounds, method for preparing same, intermediates therefor, use and pharmaceutical composition containing same

摘要

Compounds of formula (I), wherein R1, R2, R3, R4, R5 and G are as defined in the description and the dotted lines indicate an optional second bond, as well as the acid, base and ester addition salts thereof, a method for preparing said compounds, intermediates therefor, the use of said compounds as drugs, and pharmaceutical compositions containing same, are disclosed.