ITEM #KX-C156386 Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)praseodymium(III) [NMR Shift Reagent] Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)praseodymium(III) [NMR Shift Reagent]