Heterocyclic Systems; 11. A Novel Transformation of 4-Oxo-4H-1-benzopyran-3-carboxaldehydes to 3-Acetyl-5-(2-hydroxybenzoyl)-2-methylpyridines

R&D Labs maybe for 80472-50-0

• Hangzhou utanpharma Co., Ltd

  Contact:86-571-87758773

  Address:Room604 ,6F, Block A1-3 Xixi Plaza,No. 588 Wenyi West RD, Hangzhou,310012, China

• Huangshi Shennong Chemical Technology Co., Ltd

  Contact:+86-714-3072290

  Address:Eastern industrial park , Tieshan district , Huangshi city ,Hubei province , China

• Nanjing Legend Pharmaceutical & Chemical Co., Ltd.

  Contact:+86-25-83767696

  Address:14-7 Zhongshan Lu Guluo District, Nanjing

• Jiaozuo Zhongwen Trading Coporation Limited

  Contact:--

  Address:East Renmin Road

• SICHUAN TONGSHENG AMINOACID CO.LTD

  website:http://www.aminoacid.cc

  Contact:86-838-2274206/2850606

  Address:Room 1-11-1,No.19 of North TianShan Road,Deyang,Sichuan China