3,4-Diamino-2-chloropyridine

3,4-二氨基-2-氯吡啶

4′-Fluorobiphenyl-4-sulfonyl chloride

4′- 氟联苯-4-磺酰氯

4-(Bromoacetyl)-5-methyl-3-phenylisoxazole

4-(溴乙酰基)-5-甲基-3-苯基异噁唑

4-Amino-1-methylpyrazole

4-Bromo-1-(phenylsulfonyl)-1H-pyrazole

4-Bromo-3-thiophenecarboxylic acid

4-Chloro-2,6-difluorobenzaldehyde

4-氯-2,6-二氟苯甲醛

4-Fluoro-1-naphthaldehyde

4-氟代-1-萘醛

4,4′-Dibromo-2,2′-biphenyldiamine

2,2′-Diamino-4,4′-dibromobiphenyl

4arm-PEG2K-Acrylate

5-Amino-2-fluoropyridine

5-氨基-2-氟吡啶

5-Bromo-2-pyridinecarboxaldehyde

5-溴-2-吡啶甲醛

5-Bromoisophthalic Acid

5-溴基异萘酸

5-Fluoro-2-methylbenzaldehyde

5-氟-2-甲基苯甲醛

5,6-Dimethyl-2-thiouracil

5,6-二甲基-2-硫脲嘧啶