New quassinoid glucosides, picrasinoside-A, -B, -C, -D, -E, -F, and -G and new hemiacetals, picrasinol-A and -B, from the stem bark of Picrasma ailanthoides Planchon

R&D Labs maybe for 89498-94-2

• Xian Lyphar Biotech Co., Ltd.

  Contact:0086-29-89196322

  Address:North of the Fifth Keji Road, Hi-Tech Industrial Zone, Xi'an City, Shaanxi Province, China

• Hebei Lead Bio-Chemicals Co., Ltd.

  website:http://www.ldbiochem.com

  Contact:+86-311-87826503

  Address:481, Heping West Road, Shijiazhuang,China

• Taizhou Chemedir Biopharm-tech Co., Ltd

  Contact:+86 523 86200218

  Address:G09, No. 1 Avenue China Medical City, Taizhou,Jiangsu, China

• JIANGXI ZHANGFENG CHEMICAL CO., LTD.

  Contact:+86-0799-3413066

  Address:Xiyuan village, Xiabu Town, Xiangdong District

• Shanghai Yuanye Bio-Technology Co., Ltd.

  website:http://www.shyuanye.com

  Contact:+86-21-61845781

  Address:Building 6, No. 465, Changta Road,Songjiang District,Shanghai,China