3,6-Dichloropyridazine-4-carboxylic acid

3,6-二氯哒嗪-4-羧酸

4′-Fluoro-2′-hydroxyacetophenone

4'-氟-2'-羟基苯乙酮

4-[(Trimethylsilyl)ethynyl]benzoic acid

(4-羧基苯基乙炔基)三甲基硅烷

4-Oxazolecarboxaldehyde

4-噁唑甲醛

4-tert-Octylphenol

4-(1,1,3,3-四甲基丁基)苯酚

4,4′-Dimethoxybiphenyl

4,4′-Bianisole

4,4′,4′′,4′′′-(Porphine-5,10,15,20-tetrayl)tetrakis(benzoic acid)

meso-Tetraphenylporphine-4,4′,4″,4″′-tetracarboxylic acid

4,5-Dimethoxy-2-nitrobenzyl Alcohol

4,5-二甲氧基-2-硝基苯甲醇

5′-O-(4,4′-Dimethoxytrityl)thymidine

5′-O-(4,4′-二甲氧基三苯甲基)胸苷

5-(4-Formylphenyl)pyrimidine

4-(5-嘧啶基)苯甲醛

5-Amino-1-(4-bromophenyl)-3-phenyl-1H-pyrazole

5-氨基-1-(4-溴苯基)-3-苯基-1H-吡唑

4-Chloro-2-(5-isoxazolyl)-5-methylphenol

4-氯-2-(5-异噁唑基)-5-甲基苯酚

4-Cyanophenylacetic acid

4-氰基苯乙酸

4-Ethynylphenylacetonitrile

4-乙炔基苯乙腈

4-Hydroxy-2-methylbenzoic Acid

4-羟基-2-甲基苯甲酸