Preparation and alkylation of 1,5-dihydro-3H-1,2,4- thiadiazolo[3,4-b]quinazolin-5-one 2,2-dioxides

R&D Labs maybe for 127931-67-3

• Shijiazhuang Yunxuan Im&Export Co.,Ltd.

  Contact:+86-311-83037514

  Address:No.6 Hongbin Road

• Guangzhou Congen Pharmatec Co.,Ltd.

  website:https://www.congenpharma.com

  Contact:86-020-82350801

  Address:Room 501, Building G11, South China Advanced Materials Innovation Park, 31 Kefeng Road, Science City, Guangzhou, China 510663

• Xinjiang Zhongtai Chemical Co., Ltd.

  Contact:+86-991-8788172

  Address:NO.78 XISHAN RD.URUMQI，CHINA

• Wuhan Chemwish Technology Co., Ltd

  website:http://www.chemwish.com/

  Contact:+86-27-67849912

  Address:Room 1311, Unit 2, Block1, Innovation Road East Lake High-tech Development Zone Wuhan, Hubei，P.R. China

• AstaTech ( Chengdu) BioPharmaceutical Corp.

  website:http://www.astabiochem.cn/

  Contact:+86-15198215156-15198215156

  Address:SICHUAN CHENGDU