Tetraphenyl rac-3,3,7,7-tetramethyl-trans-5-palladatricyclo[4.1.0.02,4]heptane-1,2,4,6-tetracarboxylate: a new PTH derivative and the first X-ray crystallographic study of a Bis(acetone)palladium(II) Complex - Hashmi, A. Stephen K.; Naumann, Frank; Bats, Jan Willem (Chemische Berichte - recueil, 1997)