1. Azolo- and Azinopyridazines and some Oxa and Thia Analogs;Chemistry of Heterocyclic Compounds: A Series Of Monographs;2008-01-02
2. Synthesis of new heterocyclic ring systems via nucleophilic subsititution of pyrimido [4,5-d] pyridazines;Tetrahedron;1989
3. Volume 3 References;Comprehensive Heterocyclic Chemistry;1984
4. Other Diazinodiazines;Comprehensive Heterocyclic Chemistry;1984
5. 1-Phenylpyridazino[4,5-d]pyridazine;Journal of the Chemical Society, Perkin Transactions 1;1979