SEARCH Articles Figures Tables 1,2,4,5-Tetrazine Diels-Alder reactions Diels-Alder reactions of tetrazines Dimethyl -1,2,4,5 -tetrazine- 3,6-dicarboxylate Diels-Alder with Hetero-Diels-Alder reaction tetrazines Inverse electron-demand Diels-Alder reactions alkenes, 1,2,4,5-tetrazine Tetrazines Tetrazines, Diels-Alder reactions