j het chem 1980

[gripin1984]

hi
i need this paper pls,

Studies in the heterocyclic series. XVIII. Utilization of 4-aminopyrimidine chemistry in 1,4,7,9-tetraazabenzophenothiazine synthesis
Charles O. Okafor
Journal of Heterocyclic Chemistry, 1980, 17(7), pages 1587–1592,

DOI:

http://dx.doi.org/10.1002/jhet.5570170747

[pawannayak]

Done