EP4101834A3 - HALOACETALDEHYDE ALKYL 2-CYCLOPENTENYL ACETAL COMPOUND AND A PROCESS FOR PREPARING THE SAME, A PROCESS FOR PREPARING A (2-CYCLOPENTENYL)ACETATE ESTER COMPOUND THEREFROM, AND A PROCESS FOR PREPARING A (2-CYCLOPENTENYL)ACETIC ACID COMPOUND THEREFROM