Synthesis of substituted dipyrido[3,2-a:2′,3′-c]phenazines and a new heterocyclic dipyrido[3,2-f:2′,3′-h]quinoxalino[2,3-b]quinoxalineFábio S. Miranda, Ademir Neves, Juliano Vicente et al.|Tetrahedron|2008Cited by 53