4-Bromobenzylphosphonic acid

4-Chloro-2-fluorobenzenesulfonyl chloride

4-氯-2-氟苯磺酰基氯

4-Cyano-4-[(dodecylsulfanylthiocarbonyl)sulfanyl]pentanol

4-氰基-4-[(十二烷基磺胺基硫代羰基)磺胺基]戊醇

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