bicyclo[4.2.1]nonan-6-ol

(2R)-2-(3-chloro-4-methylsulfonylphenyl)-3-[(1R)-3-oxocyclopentyl]-N-pyrazin-2-ylpropanamide

3-methyl-1,2,5,6,7,8a-hexahydroazulene-4,8-dione

2-hydroxycyclopenta-2,4-dien-1-one

1-ethynylcyclopent-2-en-1-ol