92688-78-3;4,7-Ethanobenzo[c]thiophene, 1,3,3a,4,7,7a-hexahydro-2,2-oxide, (3a.alpha.,4.alpha.,7.alpha.,.+/-.,7a.alpha.)-;Benzo[c]thiophene, 1,3,3a,4,7,7a-hexahydro-, 2,2-dioxide;4,7-Ethanobenzo(c)thiophene, 1,3,3a,4,7,7a-hexahydro-2,2-oxide, (3aalpha,4alpha,7alpha,+-,7aalpha)-