Table 3.
IC50 of EPO inhibitors in dependence of substituents of functional groups in position 2
| Compound | Structure | IC50 value (µM) |
|---|---|---|
| 10 (2-[(4-chlorophenyl) amino]- acetohydrazide; PAAH) | ![]() |
0.021 ± 0.005 |
| 11 (2-[(4-chlorophenyl) amino]- acetic acid; PAAA) | ![]() |
0.205 ± 0.03 |
| 12 (2-(4-chlorophenyl) thio-acetohydrazide) | ![]() |
1.200 ± 0.08 |
| 13 (2-(4-chlorophenoxy)-aceto-hydrazide) | ![]() |
4.900 ± 0.1 |



