+++Thanks_eFo_1 article from RSC

[pendyala123]

Bicyclic heterocycles with nitrogen at the ring junction. 1. Synthesis and chemistry of imidazo[5,1-f]-1,2,4-triazines.

J. Chem. Soc., Perkin Trans. 1, 1979, 1120-1124

DOI:

http://dx.doi.org/10.1039/P19790001120

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http://pubs.rsc.org/en/content/articlelanding/1979/p1/p19790001120/unauth#!divAbstract

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