4-Isopropyl-2,6,7-trioxa-1-arsabicyclo(2.2.2)octane , its CAS NO. is 67590-57-2, the synonyms are BRN 2239947 ; 2,6,7-Trioxa-1-arsabicyclo(2.2.2)octane, 4-isopropyl- .