[3-(dimethylamino)-2-(dimethylazaniumylidenemethyl)prop-2-enylidene]-dimethylazanium,diperchlorate

N,N-dimethyl-N'-[3-(trifluoromethyl)phenyl]methanimidamide

5-甲基异苯二醛

4-chloro-5-methylbenzene-1,3-dicarbaldehyde

2-chloro-5-(4-methoxyphenyl)pyridine-3-carbaldehyde