2-Acetyl-4-hydroxy-5-methyl-cyclopentan-1,3-dion

2-acetyl-3,5-dihydroxy-6-methyl-[1,4]benzoquinone

1,1'-(3,7,9-trihydroxy-8,9b-dimethyl-1-oxo-1,4,4a,9b-tetrahydrodibenzo[b,d]furan-2,6-diyl)bis(ethan-1-one)

3-Methyl-1,4-diacetyl-cyclopentanol-(4)-dion-(2,5)

3-甲基环戊烷-1,2,4-三酮