Sigma-Aldrich
4-Bromo-1H-indazole
4-Bromo-2-nitrotoluene
4-溴-2-硝基甲苯
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