Synonyms: 1,3,3A,4,7,7-ALPHA-HEXAHYDRO-1,3-DIMETHOXY-4,7-METHANOISOBENZOFURAN;4,7-Methanoisobenzofuran, 1,3,3a,4,7,7a-hexahydro-1,3-dimethoxy-;1,3,3a,4,7,7-alpha-Hexahydro-1,3-dimethoxy-4,7-methanoisobenzofurane;1,3,3a,4,7,7-alpha-Hexahydro-1,3-dimethoxy-4,7-methanoisobenzofuran