SEARCH Articles Figures Tables 1,2,4,5-Tetrazine-3,6-dicarboxylic acid, 1,2-dihydro-, dimethyl ester Dimethyl -1,2,4,5 -tetrazine- 3,6-dicarboxylate Diels-Alder with Dimethyl dihydro-1,2,4,5-tetrazine-3,6-dicarboxylate Dimethyl l,2,4,5-tetrazine-3,6-dicarboxylate Tetrazines