2,3-DIFLUORO-6-NITROPHENOL

2',3'-Difluoroacetophenone

2,3-Difluorobenzaldehyde

2,3-Difluorobenzoyl chloride

2,3-DIHYDRO-1,4-BENZODIOXINE-2-CARBONYL CHLORIDE

5,6-DIHYDRO-1,4-DITHIIN-2,3-DICARBOXIMIDE

2,3-DIHYDRO-1H-BENZ[DE]ISOQUINOLINE

2-HYDROXYISONICOTINIC ACID