2-(2,3-Difluorophenyl)-5-methylisonicotinic acid
2-(2,3-Difluorophenyl)-3-methylisonicotinic acid
3-(2,3-Difluorophenyl)-2-methylisonicotinaldehyde
2-(2,3-Difluorophenyl)-6-methylisonicotinaldehyde
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