A simple synthesis of 3,5- and 2,3,5-alkyl- or -aryl-substituted thiophenes

R&D Labs maybe for 121819-91-8

• QINGDAO HONG JIN CHEMICAL CO.,LTD.

  website:http://www.hongjinchem.com

  Contact:+86-532-83657313

  Address:2ND Building, 8 Shangqing Road, Qingdao, Shandong Province, China.

• Shanghai He Yang International Trading Co., Ltd.

  Contact:+86-21-52043598

  Address:Room 816, Blag.5, No.58 Huachi Road

• guide(suzhou) fine materials co. ltd

  Contact:0512-80972173

  Address:21st Building, No.369 Lushan Rd, New District Suzhou China 215129

• Taizhou KEDE Chemical.Co.,Ltd.

  Contact:86-576-84613060

  Address:Jiangkou Chemical Zoon

• TIANJIN DONGRUXIANG MINERALS MARKETING CO.,LTD(expird)

  Contact:22-58516360

  Address:tianjin