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

• Qingdao Kylin Trading Co., Ltd.

  Contact:0086-532-68979884/58972912/68972263/65/88171519

  Address:Room 2308,A building International Trade Center No.230 Changjiang Middle Road of Qingdao Economic Development Zone,Shandong,China.

• Suzhou Ryan Pharmachem Technology Co.,Ltd

  Contact:+86-0512-68780025

  Address:B-301,No.2 Taishan Road,Suzhou New District,Jiangsu,P.R. China

• Langchem

  Contact:+86+21-58956006 15800617331

  Address:402 Room, 150# Cailun Road, Zhangjiang high tech park, Shanghai

• Tengzhou Runlong Fragrance Co., Ltd.

  website:http://www.tzrunlong.com/

  Contact:--

  Address:No. 78, Fushan Road, Biomedical Industrial Park, Dawu Town, Tengzhou, Shandong, 277514 China

• enantiotech corporation ltd

  Contact:+86-0760-85282375

  Address:zhongjing road,zhongshan torch hi-tech industrial development zone