Provided are pyrrole derivative compounds of the general formula (I) where the variables are as defined in the specification. An example of the compounds is (S)-&alpha-Ethoxy-4-[2-[-methyl-S-[4-(methylthio)phenyl]-1H-pyrrol-1-yl]ethoxy] benzenepropanoic acid magnesium salt. Further provided is the use of the compounds in the treatment of lipodystrophy.