1,4:5,8-DIMETHANONAPHTHALEN-9-ONE, 1,2,3,4,10,10-HEXACHLORO-6,7-EPOXY-1,4,4a,5,6 1,4:5,8-Dimethanonaphthalen-9-one, 1,2,3,4,10,10-hexachloro-6,7-epoxy-1,4,4a,5,6,7,8,8a-octahydro- 12-Ketoendrin 12-Oxoendrin 28548-08-5 9-Ketoendrin WL 41435