This invention is in the field of medicinal chemistry and relates to novel compounds, and pharmaceutical compositions and methods of use thereof for the treatment and / or prevention of fibrotic diseases including scleroderma, systemic sclerosis, scleroderma-like disorders, sine scleroderma, liver cirrhosis, interstitial pulmonary fibrosis, Dupuytren's contracture, keloids, chronic kidney disease, chronic graft rejection, and other scarring / wound healing abnormalities, post operative adhesions, and reactive fibrosis. The invention also relates to methods of using the compounds and pharmaceutical compositions of this invention to treat fibrotic conditions.