4827-55-8 5-Norbornene-2,3-dicarboxylic acid, 1,4,5,6,7,7-hexachloro-, bis(2-ethylhexyl) ester Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid, 1,4,5,6,7,7-hexachloro-, bis(2-ethylhexyl) ester Bis(2-ethylhexyl)chlorendate Di-2-ethylhexyl chlorendate NSC22230