4-Ethynylbenzaldehyde

4-乙炔基苯甲醛

4-Fluorophenylboronic acid neopentylglycol ester

4-氟苯基硼酸新戊二醇酯

4-Imidazolecarboxylic Acid

1H-咪唑-4-甲酸

4-Methoxy-6-methyl-2H-pyran-2-one

4-甲氧基-6-甲基-2H-吡喃-2-酮

4-Methylthiophene-2-carboxaldehyde

4-甲基噻吩-2-甲醛

4-Phenoxyphthalonitrile

4-Toluoylacetonitrile

对甲苯酰乙腈

4,4-Difluoropiperidine hydrochloride

4,4-二氟哌啶 盐酸盐

4,7-Dichloro-1,10-phenanthroline

4,7-二氯-1,10-菲咯啉

5-(3,4-Dichlorophenyl)-2-furoic acid

5-(3,4-二氯苯基)-2-糠酸

5-Acetyl-2-amino-4-methylthiazole

5-乙酰基-2-氨基-4-甲基噻唑

5-Amino-4,6-dichloro-2-methylpyrimidine

5-氨基-4,6-二氯-2-甲基嘧啶

5-Bromo-4-chloroindoxyl 1,3-diacetate

1-乙酰基-5-溴-4-氯吲哚-3-乙酸酯

5-Chloro-2,3-dimethoxybenzaldehyde

5-氯-2,3-二甲氧基苯甲醛

5-Fluoro-2-(trifluoromethyl)benzoic acid

5-氟-2-三氟甲基苯甲酸