Lead(II)-induced formation and coordination of 3,4-dihydro-3-thioxo-1,2,4-triazin-5(2H)-one - Casas, José S.; Castellano, Eduardo Ernesto; Ellena, Javier; García-Tasende, María S.; Sánchez, Agustín; Sordo, José; Touceda, Ángeles (Inorganic Chemistry Communications, 2008)