- 우선 이름
- (3S,3'E,5'aR,6'S,7'aS)-3'-butylidene-6'-methylspiro[4,5-dihydro-2-benzofuran-3,7'-5,5a,6,7a-tetrahydro-4H-cyclobuta[g][2]benzofuran]-1,1'-dione
- IUPAC
- (3S,3'E,5'aR,6'S,7'aS)-3'-butylidene-6'-methylspiro[4,5-dihydro-2-benzofuran-3,7'-5,5a,6,7a-tetrahydro-4H-cyclobuta[g][2]benzofuran]-1,1'-dione