Alkali and alkaline earth metals 1 Aroyl(N,N-dialkylchalcogenoureas) 1 Aroylbistioureias 1 Coordination polymers 1 Host-guest chemistry 1 M-aroylbis(N,N-dialkyl-chalcogenoureas) 1 Mononuclear and Multinuclear Compounds 1 Oligonuclear complexes 1 Supramolecular coordination chemistry 1