83602-18-0;15914-94-0;1076-13-7;1,4,5,8-Dimethanonaphthalene, 1,4,4a,5,8,8a-hexahydro-, (1.alpha.,4.alpha.,4a.beta.,5.alpha.,8.alpha.,8a.beta.)-;1,4,5,8-Dimethanonaphthalene, 1,4,4a,5,8,8a-hexahydro-, (1alpha,4alpha,4abeta,5alpha,8alpha,8abeta)-;1,4:5,8-Dimethanonaphthalene,1,4,4a,5,8,8a-hexahydro-,(1alpha,4alpha,4aalpha,5alpha,8alpha,8aalpha)-;1,4:5,8-Dimethanonaphthalene,1,4,4a,5,8,8a-hexahydro-,(1alpha,4alpha,4aalpha,5beta,8beta,8aalpha)-;1,4:5,8-Dimethanonaphthalene,1,4,4a,5,8,8a-hexahydro-,(1.alpha.,4.alpha.,4a.alpha.,5.alpha.,8.alpha.,8a.alpha.)-;1,4:5,8-Dimethanonaphthalene,1,4,4a,5,8,8a-hexahydro-,(1.alpha.,4.alpha.,4a.alpha.,5.beta.,8.beta.,8a.alpha.)-