3-(allyloxy)-2-chloro-6-nitrobenzaldehyde

2-chloro-3-hydroxy-6-nitro-4-prop-2-enylbenzaldehyde

7-chloro-2,3-dihydro-2-(hydroxymethyl)-5-nitro-6-benzofurancarboxaldehyde

7-chloro-2,3-dihydro-6-methyl-5-nitrofuran-2-methanol

7-chloro-2,3-dihydro-6-methyl-5-nitrobenzofuran-2-carboxylic acid