2-(4-carbethoxybutyl)cyclopentane-1-one

1-acetoxy-2-(4-carbethoxybutyl)cyclopent-1-ene

Methanesulfonic acid 5-{5-[(E)-methoxyimino]-cyclopent-1-enyl}-pentyl ester

2-(5-Hydroxy-pentyl)-cyclopent-2-enone O-methyl-oxime

1-methoximino-2-(5-acetoxypentyl)-2-cyclopentene