2-(cis-2-Pentenyl)-3-<(phenylsulfonyl)methyl>-2-cyclopenten-1-one

(4Z)-4-庚烯酸

2-(2-cis-pentenyl)-3-methyl-5-(phenylthio)-2-cyclopenten-1-one

(Z)-1-bromopent-2-ene

4-methyl-5-(2Z-pentenyl)-2-cyclopentenone