The present invention relates to compounds of formula (I) and pharmaceutically acceptable salts thereof, wherein R1, R2, R3, R4, R5, R6 and R7 are as defined herein, for use in the treatment of diseases or disorders that can be alleviated by sGC activation or potentiation, selected from chronic liver diseases, Non-Alcoholic Steatohepatitis (NASH), cirrhosis and portal hypertension.