2-nitro-6-[(2-phenylethylamino)methylidene]cyclohexa-2,4-dien-1-one

6-[(benzylamino)methylidene]-2-nitrocyclohexa-2,4-dien-1-one

8-nitrochromen-2-one

ethyl trans-2-hydroxy-3-nitrocinnamate

1'-hexadecyl-3',3'-dimethyl-8-nitrospiro[chromene-2,2'-indole]