| 单词 | tetrazine | 
| 释义 | tetrazinenoun  tet·ra·zine   ˈte‧trəˌzēn, -zə̇n    plural -s   1   : any of three isomeric parent compounds C2H2N4 that may be regarded as benzene with four methylidyne groups replaced by nitrogen atoms    especially : the symmetrical or 1,2,4,5-isomer forming very volatile unstable purple-red crystals  2   : any of various derivatives of the tetrazines   | 
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