de León A, Pons J, García-Antón J, Solans X, Font-Bardia M, Ros J. Preparation, NMR studies and crystal structure of mononuclear and dinuclear Pd(II) and Pt(II) complexes that contain 1,2-bis[3-(3,5-dimethyl-1-pyrazolyl)-2-thiapropyl]benzene. Polyhedron. 2007;26(13):2921-2928.