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The Facile Synthesis of 6-Azapurines by Transformation of Toxoflavins (7-Azapteridines)Nagamatsu, Tomohisa; Ma, Jun; Yoneda, Fumio · HETEROCYCLES · 2009
Synthesis of 6-Azapurines by Transformation of Toxoflavins and Reumycins (7-Azapteridines) and their CytotoxicitiesMa, Jun; Yoneda, Fumio; Nagamatsu, Tomohisa · Australian Journal of Chemistry · 2014