- Coordination chemistry of the water-soluble ligand TPPTP and formation of a [Mo(CO)5(m-TPPTP)] monolayer on an alumina surface. Harper, B.A., Knight, D.A., George, C., Brandow, S.L., Dressick, W.J., Dulcey, C.S., Schull, T.L., Dalcey, C.S. Inorganic chemistry. (2003)