31642-63-4

3,4,4',5',7',7'-Hexamethyl-1'-(2-methyl-1-propenyl)spiro[3-cyclohexene-1,2'(1'H)-[2H]furo[3,2-f][1]benzopyran]-2,5-dione Spiro[3-cyclohexene-1,2′-[2H]furo[3,2-f][1]benzopyran]-2,5-dione, 1′,7′-dihydro-3,4,4′,5′,7′,7′-hexamethyl-1′-(2-methylpropenyl)- Spiro[3-cyclohexene-1,2'-[2H]furo[3,2-f][1]benzopyran]-2,5-dione, 1',7'-dihydro-3,4,4',5',7',7'-hexamethyl-1'-(2-methylpropenyl)- (8CI)