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Figure 1
Relevant chemical diagrams for the [1,2,4]triazolo[3,2-c][1,2,4]triazole system: the three tautomers of the neutral form (the adopted atom numbering of the heterobicycle is indicated only for the 2H-tautomer).

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 77| Part 7| July 2021| Pages 395-401
https://doi.org/10.1107/S2053229621006203
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