6-[(2-hydroxyethylamino)methylidene]-2-(2-hydroxyethyliminomethyl)-4-methylcyclohexa-2,4-dien-1-one

3-(dimethoxymethyl)-2-hydroxy-5-methylbenzaldehyde

3-methyl-5-[(4-nitroanilino)methylidene]-6-oxocyclohexa-1,3-diene-1-carbaldehyde

2-甲氧基-5-甲基异邻苯二甲醛

S-(2,6-diformyl-4-methylphenyl) N,N-dimethylcarbamothioate