3-(3,4-Dichlorophenyl)-6-hydroxypicolinaldehyde
5-(3,4-Dichlorophenyl)-6-hydroxypicolinaldehyde
5-(3,4-Dichlorophenyl)-6-hydroxynicotinaldehyde
3-(3,4-Dichlorophenyl)-2-hydroxyisonicotinaldehyde
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