Provided is a polymer comprising a structure of Formula (1): (1) and a method of preparing said polymer. Also provided is a composition comprising the polymer and a nucleic acid and/or polypeptide, and a method of delivering a nucleic acid and/or polypeptide to a cell.
Korshunov,M.A. et al., Journal of Organic Chemistry USSR (English Translation), 1969, vol. 5, # 11, p. 1893 - 1898