5-nitrothiophene-2-carboxylic acid

　Nanjing Qiangshan New Material Co.,Ltd. is a high-tech company engaged in developing & marketing chemicals. With experienced teams in research and sales, Qiangshan Chemtech can provide the best products and services in the area. 　　Based on tenet of "Quality first, Serve sincerely", we are looking forward to communicating and cooperating with friends all over the world in the area of fine chemical.