abstract |
Hyaluronic acid based derivative according to the general formula (I) ** Formula ** where Ar is phenyl and R1 is ethylene, or Ar is indole and R1 is ethylene, or Ar is indole and R1 is carboxyethylene, and where R2 is an alkyl which has 3 to 7 carbon atoms, and where n is in the range of 1 to 7,500. |