Multi-arm polyethylene glycol derivative, combination thereof with medicine, and gel

Multi-arm polyethylene glycol derivative, combination thereof with medicine, and gel

  • CN 102,108,119 A
  • Filed: 12/25/2009
  • Published: 06/29/2011
  • Est. Priority Date: 12/25/2009
  • Status: Active Application
First Claim
Patent Images

1. multi-arm polyethylene glycol derivative shown in general formula I:

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