254-82-0 Pyrimido[5,4-d]pyrimidine (7CI,8CI,9CI)

Name: Pyrimido[5,4-d]pyrimidine (7CI,8CI,9CI)
Synonyms: 1,3,5,7-Tetraazanaphthalene;Homopurine
CAS Number:254-82-0
Molecular Formula:C6H4 N4
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