Viva Star Biosciences Ltd. has synthesized lysophosphatidic acid receptor 1 (LPAR1; EDG2) antagonists reported to be useful for the treatment of fibrosis, chronic kidney disease, diabetic nephropathy, nonalcoholic steatohepatitis (NASH), systemic scleroderma (systemic sclerosis) and idiopathic pulmonary fibrosis.