4-[5-(Methoxymethyl)-1,2,4-oxadiazol-3-yl]piperidine hydrochloride

4-((4,5,6,7-Tetrahydropyrazolo[1,5-a]pyrazin-2-yl)methyl)morpholine

4-(1,2,2-Triphenylethenyl)benzaldehyde

4-（1,2,2-三苯基乙烯基）苯甲醛

4-(2-Formyl-1,3-thiazol-4-yl)benzonitrile

4-(2,2-Difluoro-1-methylethyl)benzenesulfonic acid

4-(3-Azetidinyl)pyridine hydrochloride

4-(4′-Hydroxyphenylazo)benzoic acid

4-(4-Methoxyphenyl)-1-(piperidin-4-yl)-1H-imidazol-2-ol hydrate

[4-(4H-1,2,4-Triazol-4-yl)phenoxy]acetic acid hydrochloride

4-(6-Bromo-1H-indol-1-yl)butan-1-ol

4-(Boc-amino)benzaldehyde

4-(Boc-氨基)苯甲醛

4-(Isocyanomethyl)pyridine

4-(Trifluoromethyl)pyridine-2-carboxylic acid

4-(三氟甲基)吡啶-2-甲酸

4-Benzyl-1,4-diazepane-1-carboximidamide dihydrochloride

4-Bromo-1-methyl-1H-imidazole-5-carboxaldehyde

4-溴-1-甲基-1H-咪唑-5-甲醛