Patent ID: 8211869

Claim:
A method of modulating pluripotency and/or self-renewing characteristics of a stem/progenitor cell, said method comprising administering to said stem/progenitor cell a compound of the general formula (I) wherein A is C or N, R 1 , R 4 and R 5 are independently selected from the group consisting of H and aliphatic, cycloaliphatic, aromatic, arylaliphatic, and arylcycloaliphatic hydrocarbyl groups, comprising 0-3 heteroatoms selected from the group N, O, S, and Si, wherein R 4 and R 5 may optionally be linked so as to define an aliphatic hydrocarbyl bridge, R 2 is selected from the group consisting of H and halogen, and R 3 is H, or an aliphatic or arylaliphatic hydrocarbyl group comprising 1-8 main chain carbon atoms and 0-3 heteroatoms selected from the group N, O, S, Si, and halogen.