Bicyclic system from acetoacetate ester and 5-amino-1-methyl-, 5-amino-1-benzyl as well as 3(5)-amino-pyrazol

R&D Labs maybe for 16082-29-4

• Changzhou Welton Chemical Co., Ltd,

  Contact:0086-519-85910828,85920537,85912897

  Address:No.8 Jinlong Road, Binjiang Park, Changzhou, Jiangsu, China.

• Jingzhou TianHe Sci&Tech Chemical Co., Ltd.

  Contact:86-716-8331612

  Address:Jiangjin Road, #18, High-grade technology industries development district, Jingzhou city, Hubei province

• Jiangxi Dongxu Chemical Science & Technology Co.,Ltd

  Contact:+86-791-86899381

  Address:Nanchang, Jiangxi, China

• Hangzhou TJM Chemical Trade Co., Ltd

  Contact:86-571-88223276 86-13388481653

  Address:2221#,Boyuexuan,1860# Binsheng Road,Binjiang District, Hangzhou CityZhejiang Province, 310051, P. R. China

• Chemsigma International Co.,Ltd.

  website:http://www.chemsigma.com

  Contact:86-025-58748998

  Address:Rm.705, 15th Building,Rd.Xinke II