苯酐

1,2,3,4-四甲基苯

1,2,3,4-四甲基萘

3,9b-Dihydro-9b-hydroxy-1,2,3a-trimethyl-3-methylencyclopenta[c][2]benzopyran-5(3aH)-on

3,4,5,6,9,10,11,12-Octamethylpentacyclo[6.4.2.02,7.03,6.09,12]tetradeca-4,10,13-trien-2,7-dicarbonsaeureanhydrid