S.  Ghumaan, Kar, S., Mobin, S. M., Harish, B., Puranik, V. G., and Lahiri, G. Kumar, ?2,4,6-tris(2-pyridyl)-1,3,5-triazine (tptz)-derived [Ru-II(tptz)(acac)(CH3CN)](+) and mixed-valent [(acac)(2)Ru-III(mu-tptz-H+)(-)Ru-II(acac)(CH3CN)](+)?, Inorganic Chemistry, vol. 45, no. 6, pp. 2413-2423, 2006.