Synonyms: 2,5-Methano-2H-indeno[1,2-b]oxirene,2,3,4,5,6,7,7-heptachloro-1a,1b,5,5a,6,6a-hexahydro-, (1aa,1bb,2a,5a,5ab,6b,6aa)-; 4,7-Methanoindan,1,4,5,6,7,8,8-heptachloro-2,3-epoxy-3a,4,7,7a-tetrahydro- (8CI); (?à)-cis-Heptachlor epoxide; ENT25584; Epoxyheptachlor; GPKh epoxide; HCE; HE; Hepox; Heptachlor cis-oxide;Heptachlor epoxide; Heptachlor epoxide B; Heptachlor exo-epoxide; Heptepoxide;Velsicol 53CS17; cis-Heptachlor epoxide