https://pubs.rsc.org/en/Content/ArticleLanding/2012/JM/C2JM31535A
Synthesis and properties of 3,4,5-trinitropyrazole-1-ol and its energetic salts - Journal of...
3,4,5-Trinitropyrazole-1-ol and its nitrogen-rich salts were synthesized and well characterized by 1H, 13C NMR (some with 15N NMR), and IR spectroscopy, and by...