Patent ID: 8829044

Claim:
A vitamin C derivative represented by the following Chemical Formula 1, or a pharmaceutically acceptable salt thereof: wherein R1 and R2 are —OH or and are different from each other; X is —OC(O)(CH 2 ) m C(O)—; is a peptide molecule wherein identical or different amino acid residues are linked through amide bonds, and the amino acid residues are selected from the group consisting of glycine, lysine, histidine, serine, proline, hydroxyproline, threonine, glutamic acid, methionine, glutamine, and arginine; R is a side chain of the amino acid; n is an integer of 3 to 10; m is an integer of 2 to 5; W is or glucose; and R3 is selected from the group consisting of —N(CH 3 ) 2 , —N(CH 2 CH 3 ) 2 , —NHCH 2 CH 2 CH 3 , —NHCH 2 C 6 H 5 , and —OH.