Studies on the chemistry of thienoanellated O,N- and S,N-containing heterocycles. 3. Synthesis of tricyclic thieno[2,3-b][1,4]-thiazines via nucleophilic substitution of activated precursors

R&D Labs maybe for 154367-32-5

• Zhenjiang Haitong Chemical Industry Co., Ltd.

  Contact:+86 (511) 8448-0369

  Address:Baoyan Town, Dantu District, Zhenjiang City, Jiangsu, China

• Greenutra Resource Inc

  website:http://www.greenutra.cn

  Contact:0086-411-39553357

  Address:No. 7-1-1802, Huizhi Garden,Ocean Square,Dalian, 116033, China

• Dalian RSD International Trade Co.,Ltd.(expird)

  Contact:86-22-60875058 58610575

  Address:Wantong International Areas, Hongqiao District, Tianjin, China.China

• Changsha Nutritopper Bio Technology Co.,Ltd.

  Contact:+86-731-87803543

  Address:East 1st Street, Baima Road, Ningxiang County

• Winchem Industrial Co. Ltd.(expird)

  Contact:86-574-83851061 86-574-87083208

  Address:Room 905, No.3 Building,East Business Center, 456 Xingning Road, Ningbo City,China