Niagrathal, ENDOTHAL, 7-oxa-bicyclo[2.2.1]heptane-2,3-dicarboxylic acid, ACCELERATE, 7-Oxabicyclo[2.2.1]heptane-2,3-dicarboxylicacid, Emdothal, (1Ξ,2Ξ,3Ξ,4Ξ)-7-oxabicyclo[2.2.1]heptane-2,3-dicarboxylic acid, ENDOTHALL, Hydrothal, Hydout, aquatholplus, Hydrothol, Aquathol, Endothall, disodium salt, 7-oxabicyclo[2.2.1]heptane-2,3-dicarboxylic acid