英文别名
2,4b,6,8b-tetramethyl-4a,4b,8a,8b-tetrahydro-cyclobuta[1,2-b;3,4-b']dipyran-4,8-dione;2,4b,6,8b-Tetramethyl-4a,4b,8a,8b-tetrahydro-4h,8h-cyclobuta[1,2-b:3,4-b']dipyran-4,8-dione;2,4,8,10-tetramethyl-3,9-dioxatricyclo[6.4.0.02,7]dodeca-4,10-diene-6,12-dione