Hexanitrobenzene
Hexanitrobenzene , also known as HNB , is a high-density explosive compound with chemical formula C6N6O12 , obtained by oxidizing the amine group of pentanitroaniline with hydrogen peroxide in sulfuric acid . 
<triplet> Hexanitrobenzene <subj> compound <obj> instance of <triplet> pentanitroaniline <subj> compound <obj> instance of <triplet> hydrogen peroxide <subj> compound <obj> instance of