Synonyms: 2-(carboxymethyl)-1,4,5,6,7,7-hexachlorobicyclo[2.2.1]hept-5-ene-2-carboxylic acid;NSC38321;AC1L5W2Z;AC1Q3Q2G;AR-1C8726;NSC-38321;5-Norbornene-2-acetic acid,4,5,6,7,7- hexachloro-;Bicyclo[2.2.1]hept-5-ene-2-acetic acid,4,5,6,7,7-hexachloro-;5-(carboxymethyl)-1,2,3,4,7,7-hexachlorobicyclo[2.2.1]hept-2-ene-5-carboxylic acid