22 6-Ethynyl-3,4-dihydro-4,4-dimethyl-2H-1-benzothiopyran Suppliers
Tai zhou world Pharm & Chem Co., Ltd.
CNTai zhou world Pharm & Chem Co., Ltd was founded in May, 2006 located at Linhai, Zhejiang province. It is a high-tech company who focuses on R&D and production of fine chemicals, intermediates, Reagents for Organic Synthesis and pharmaceutical raw material intermediates. Worldchem Co. Ltd. is a lead
Contact Supplier