Tetrazine
Pronunciation : Tet*raz"ine
Part of Speech : n.
Definition : Defn: A hypothetical compound, C2H2N4 which may be regarded as benzene with four CH groups replaced by nitrogen atoms; also, any of various derivatives of the same. There are three isomeric varieties.
Also -in. [Tetrazo- + -ine.] (Chem.)
Source : Webster's Unabridged Dictionary, 1913