Heptachlor epoxide ClC1C2OC2C2C1C1(Cl)C(Cl)=C(Cl)C2(Cl)C1(Cl)Cl InChI=1S/C10H5Cl7O/c11-3-1-2(4-5(3)18-4)9(15)7(13)6(12)8(1,14)10(9,16)17/h1-5H KEGG:C14327 389.317 Heptachlor epoxide 385.81601 0 CAS:1024-57-3 CHEBI:34786 ZXFXBSWRVIQKOD-UHFFFAOYSA-N chebi_ontology C10H5Cl7O oxanes