Chemical Formula: C18H18Br6O4

(+/-)-trans-4,10,11,11,12,12-hexabromo-3,9-dibutyl-1,7-dioxadispiro<4.0.4.2>dodeca-3,9-diene-2,8-dione|(+/-)-trans-4,10,11,11,12,12-hexabromo-3,9-dibutyl-1,7-dioxadispiro[4.0.4.2]dodeca-3,9-diene-2,8-dione|(5RS,6RS)-4,10,11,11,12,12-hexabromo-3,9-dibutyl-1,7-dioxadispiro[4.0.4.2]dodeca-3,9-diene-2,8-dione

3,5,7,7-tetrabromo-1,4-dibutyl-4-(dibromomethylene)spirooxabicyclo<3.2.0>heptane>-2,5-dione|3,5,7,7-tetrabromo-1,4-dibutyl-4-(dibromomethylene)spiro[furan-2(5H),6-[3]oxabicyclo[3.2.0]heptane]-2,5-dione|3,5,7,7-Tetrabromo-1,4-dibutyl-4-(dibromomethylene)spiro[furan-2(5H),6-[3]oxabicyclo[3.2.0]heptane]-2,5-dione,9CI