Complexes of silver(I), thallium(I), lead(II) and barium(II) with bis[3-(2-pyridyl)pyrazol-1-yl]phosphinate: one-dimensional helical chains and discrete mononuclear complexes
Complexes of silver(I), thallium(I), lead(II) and barium(II) with bis[3-(2-pyridyl)pyrazol-1-yl]phosphinate: one-dimensional helical chains and discrete mononuclear complexes