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

• Ningbo Hi-tech Zone Nice-Synth Chemical Industry Ltd.

  Contact:+86-(574)-81110986

  Address:No. 1210, Building 3, Wante Business Centre, Hi-tech Zone, Ningbo

• Changsha Botaniex Inc.

  Contact:(86) 731 88718666

  Address:Room 1222, Unit 4, Building B, Shangcheng, No.47, Kaiyuan East Road.

• Ningbo Inno Pharmchem Co., Ltd.

  Contact:86-574-87319282

  Address:6F-5,NO.163 RUIQING RD.,NINGBO 315000 CHINA

• Henan Techway Chemical Co.,Ltd.

  website:http://www.techwaychem.com

  Contact:+86-371-66380080

  Address:No.27 Shunhe Road,

• Jiangxi Huashi Pharmaceutical Co., Ltd

  Contact:+86-795-4509628

  Address:Ningbo Ave., Fengtian Industrial Park, Fengxin Country, Jiangxi, China.