Synthesis of 6-amino-1-(β-D-ribofuranosyl)-1H-pyrazolo[3,4-d]-1,3-oxazin -4-one, isostere of oxanosine, and the guanosine analog 6-amino-1-(β-D-ribofuranosyl)-1H-pyrazolo[3,4-d]pyrimidin- 4(5H)-one via ring closure of pyrazole-5-thioureido intermediates

R&D Labs maybe for 129797-24-6

• Zhejiang Genebest Pharmaceutical Co.,Ltd.

  Contact:0086-571-63532866

  Address:No.1 Jinboshi Rd Lishan Town Fuyang City Zhejiang Province China

• Hangzhou Chemfar Ltd.

  Contact:+86-571-87859231, 87859237, 87859239

  Address:1606,Huarong Times Mansion, No.3880 Jiangnan Avenue, Binjiang District, Hangzhou, China, 310053

• Hebei Think-Do Environment Co., Ltd

  website:http://www.thinkdo-environment.com

  Contact:0311-86510809-

  Address:No 6, Shilian Middle Street, Circular Chemical Industry Park

• Taixing Joxin Bio-tec Co.,Ltd.

  website:http://www.joxbio.com

  Contact:86-523-87558858 87612088

  Address:No.88, chengdong industrial park

• Jinan Yijialian Economic and Trade Development Co., Ltd.

  Contact:+86 0531-66729596

  Address:jinan