Synonyms: 83947-07-3;AC1L3QE3;4,7-Methanobenzo[c]thiophene, 1,3,3a,4,7,7a-hexahydro-2,2-dioxide;2,3,3a,4,7,7a-hexahydro-4,7-methano-1-benzothiophene 1,1-dioxide;4,7-Methanobenzo(c)thiophene, 1,3,3a,4,7,7a-hexahydro-, 2,2-dioxide, (3aalpha,4alpha,7alpha,7aalpha)-;4,7-Methanobenzo[c]thiophene, 1,3,3a,4,7,7a-hexahydro-2,2-dioxide, (3a.alpha.,4.alpha.,7.alpha.,7a.alpha.)-