A colorless, sweet-smelling, mobile liquid, C4H3OCHO, made from corncobs and used in the synthesis of furan, as a solvent for nitrocellulose, and as a fungicide and weed killer.

• 糠醛一种用于合成呋喃的由玉米棒芯制成的无色、发甜味的流性液体，C4H3OCHO，可作纤维素溶剂、灭真菌剂及除草剂