The Collaborative International Dictionary
isocyanuric acid
Fulminuric \Ful"mi*nu"ric\, a. [Fulminic + cyanuric.] (Chem.) Pertaining to fulminic and cyanuric acids, and designating an acid so called.
Fulminuric acid (Chem.), a white, crystalline, explosive substance, H3C3N3O3, forming well known salts, and obtained from the fulminates. It is isomeric with cyanuric acid, and hence is also called isocyanuric acid.
Wiktionary
isocyanuric acid
n. fulminic acid