Sulfur nitrides in organic chemistry. 18. Preparation and reduction of benzo[1,2-c:3,4-c':5,6-c'']tris- and benzo[1,2-c:3,4-c']bis[1,2,5]-thiadiazole. A convenient route to benzenehexamine and 1,2,3,4-benzenetetramine

R&D Labs maybe for 19951-40-7

• JiYi Chemical (Beijing) Co., Ltd.

  Contact:+86-10-89385733

  Address:Shilou Town of Fangshan District， Beijing

• Hubei Vanz Pharm Co.,Ltd

  website:http://www.vanzpharm.com/en/index.html

  Contact:86-27-84492310

  Address:FANHU INDUSTRY PARK

• Compro Shijiazhuang Fine Chemical Co., Ltd

  Contact:0086-311-89689838

  Address:Economic and Technological Development Zone of Shijiazhuang,Hebei

• shijiazhuang alkay chemicals co..ltd(expird)

  Contact:86-311-67692035

  Address:2601,juntang building,qiaodong district,shijiazhuang

• Jiangsu Hualun Chemical Industry Co., Ltd

  website:http://www.hualunchem.com

  Contact:+86-0514-86464168 86507985

  Address:39# Middle Renmin Road, Dinghuo Town