(Carbethoxymethylene)triphenylphosphorane,free of carbomethoxymethylene-analogue

Depew Fine Chemicals Co., Ltd.is located in Hangzhou, the capital of Zhejiang province, the largest pharmaceutical raw materials manufacturing base in China.The company specializes in the marketing, R&D, and manufacturing of Active Pharmaceutical Ingredients, intermediates and fine chemicals.We have full experience on the pharmaceutical business.We have good relations with many domestic chemical and pharmaceutical factories and professional institutes, so we have extensive channel for variou... View more >>