3'-DEOXYTHYMIDINE 5'-TRIPHOSPHATE TRILITHIUM SALT*

2,3-Diethyl-5-methylpyrazine

2,3-DIFLUORO-4-METHYLBENZALDEHYDE

2,3-DIFLUORO-4-METHYLBENZOYL CHLORIDE

2,3-DIFLUORO-6-METHOXYBENZALDEHYDE

2,3-DIFLUORO-6-NITROPHENOL

2',3'-Difluoroacetophenone

2,3-Difluorobenzaldehyde

2,3-Difluorobenzoyl chloride