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Pseudo bases, heterocyclic, 1, 167 Purine bases, aza analogs of, I, 189 Purines, physicochemical aspects of, 6, 1 Pyrazole chemistry, progress in, 6, 347 Pyridazines, 9, 211... [Pg.346]

Pseudo bases, heterocy clic, 1, 167 Purine bases, aza analogs of, 1, 189 Pirrines... [Pg.439]

See other pages where Purine bases, aza analogs is mentioned: [Pg.334] [Pg.348]