Synthesis of N-(2-pyridyl)imidazolidin-2-ones and 1-(2-pyridyl)-2,3,7,8-tetrahydro-1 H-imidazo[2,1- b][1,3,5]triazepin-5(6 H)-ones with potential biological activities. - Balewski, Łukasz; Sączewski, Franciszek; Gdaniec, Maria; Bednarski, Patrick J.; Jara, Izabela (Heterocyclic Communications, 2013)