2-Propenal, 2-chloro-3-hydroxy-; 2-Propenal,2-chloro-3-hydroxy; 2-Chlor-3-hydroxy-acrylaldehyd; 2-Chloromalonaldehyde; 2-Chloro-3-hydroxy-propenal; 2-Chloro-3-hydroxy-acrylaldehyde