| abstract |
The present invention relates to amino acid derivatives of formula (I): wherein J and K are linear or branched (C1-C6) alkyl or Ar substituted with linear or branched (C1-C6) alkyl, each Ar is selected in a manner independently of the group consisting of phenyl, 2-pyridyl, 3-pyridyl, 4-pyridyl and imidazolyl, which may maintain, increase or restore the sensitivity of cells to therapeutic or prophylactic agents. |