Theanine derivatives and the condensation product of carboxylic acid coumarin derivative and its intermediate, preparation method and use

Theanine derivatives and the condensation product of carboxylic acid coumarin derivative and its intermediate, preparation method and use

  • CN 104,144,919 B
  • Filed: 09/25/2013
  • Issued: 07/03/2018
  • Est. Priority Date: 09/27/2012
  • Status: Active Grant
First Claim
Patent Images

1. the compound of lower formula (I):

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