Synonyms: 7-Oxabicyclo[2.2.1]heptane-2,3-dicarboxylicacid, 2,3-dimethyl-, disodium salt (8CI);7-Oxabicyclo[2.2.1]heptane-2,3-dicarboxylic acid, 2,3-dimethyl-, disodium salt,(1R,2S,3R,4S)-rel- (9CI); 7-Oxabicyclo[2.2.1]heptane-2,3-dicarboxylic acid,2,3-dimethyl-, disodium salt, (exo,exo)-; Cantharidin disodium; Disodiumcantharidate; Disodium cantharidin; Disodium cantharidinate; Sodiumcantharidate