| abstract |
What is provided is an erythropoietin mimetic peptide derivatives defined as formula (I) and its pharmaceutical salt, the preparation thereof, wherein R1, R2, R3, R4, R5, n1, n2 are defined as described in description. A composition comprising of an erythropoietin mimetic peptide derivatives defined as formula (I) and its pharmaceutical salt. The uses of the derivatives and its pharmaceutical salt, as well as the uses of the composition described above in treatment of diseases characterized by a deficiency of erythropoietin or a low or defective red blood cell population. R1- R2-(CH2)n1-R3-(CH2)n2-R4-R5 (I) |