![Synthetic transformations of higher triterpenoids. XXX. Synthesis and cytotoxic activity of betulonic acid amides with fragments of nitroxyl radicals]()
Synthetic transformations of higher triterpenoids. XXX. Synthesis and cytotoxic activity of betulonic acid amides with fragments of nitroxyl radicalsAntimonova, A. N.; Petrenko, N. I.; Shults, E. E.; Polienko, Yu. F.; Shakirov, M. M.; Irtegova, I. G.; Pokrovskii, M. A.; Sherman, K. M.; Grigorâev, I. A.; Pokrovskii, A. G.; Tolstikov, G. A. · Russian Journal of Bioorganic Chemistry · 2013