反式-3-戊烯酸;

(E)-3-pentenoic acid;(E)-3-oxo-1-cyclopentene-1-acrylaldehyde;trans-3-Pentenoic Acid;2-Propenal,3-(3-oxo-1-cyclopenten-1-yl)-,(E);(E)-pent-3-enoic acid;