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2,3-Dichloropyridine-4-carboxylic acid

2,4-Dichloro-1,3,5-triazine

2,4-Dicyanoquinoline

2,4-Diethoxy-5-fluoropyrimidine

5-(Diethylamino)uracil

2,4-Difluorocinnamadehyde

2,3-Difluoro-4-hydroxybenzaldehyde

1,4-Dihydro-4-oxoquinoline-2-carboxylic acid

2,3-Dihydro-2-thioxo-pyrido[3,4-d]pyrimidin-4(1H)-one

2,4-Dihydroxy-3-formylquinoline

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