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- Region :China/Shaanxi
- Tel : +86-29-83642822 17792089606
- Fax : +86-29-83642822
- Email :sales@costrongpharm.com
- URL :www.costrongpharm.com
- Add :xi 'an shaanxi province south 2nd ring eastern xiang garden building five layer 4
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4,4'-Difluorobenzophenone