2-(phenylethynyl)cyclopent-1-enecarbaldehyde

2-bromocyclopent-1-ene-N-methoxy-N-methylcarboxamide

3-(3-iodopropyl)-3-methyl-3,4,5,6-tetrahydrocyclopenta[c]furan-1-one

methyl 5-butyl-4-oxo-2,3,4,5-tetrahydro-1H-cyclopenta[c]quinoline-8-carboxylate

5-butyl-4-oxo-2,3,4,5-tetrahydro-1H-cyclopenta[c]quinoline-8-carboxylic acid