| Synonyms: | CANTHARIDIN;dimethyl-3,6-epoxyperhydrophthalic anhydride;HEXAHYDRO-3A,7A-DIMETHYL-4,7-EPOXYISOBENZO-FURAN-1,3-DIONE;4,7-epoxyisobenzofuran-1,3-dione,hexahydro-3a,7a-dimethyl-,(3a-alpha,4-beta;4,7-epoxyisobenzofuran-1,3-dione,hexahydro-3a,7a-dimethyl-,(3aalpha,4beta,7;4,7-epoxyisobenzofuran-1,3-dione,hexahydro-3a,7a-dimethyl-,(3aalpha,4beta,7be;7aalpha)-bet;7aalpha)-t |