2-[(4-hydroxyphenyl)methyl]cyclopentane-1,3-dione

3-(2,2-dimethylhydrazinyl)-2-methylcyclopent-2-en-1-one

(7aR)-7a-prop-2-enyl-2,3,6,7-tetrahydroindene-1,5-dione

7α-allyl-2,3,7,7α-tetrahydro-6H-indene-1,5-dione

(E)-4-anilinopent-3-en-2-one