Complexes of the tripodal nitrilotrimethylenetrisphosphonic (H6L) and P,P′,P ″-triphenylnitrilotrimethylenetrisphosphinic (H3L°) acids with the copper(II) ion. Synthesis and characterization of [Hpy][Cu(H3L)(H2O)] and [Cu(HL°)(py)]2·2Me2CO† | Publicación