Ethyl 5-Hydroxyisoxazole-4-carboxylate

5-Bromo-2-nitropyridine

2-硝基-5-溴吡啶

4-Amino-1H-pyrazole

4-氨基吡唑

2,2-Dimethyltetrahydropyran-4-one

2,2-二甲基四氢吡喃-4-酮

2-(1H-Pyrazol-4-yl)ethylamine dihydrochloride

2-(4-吡唑基)乙胺

5-tert-Butyl-4H-1,2,4-triazol-3-amine

4-Ethylbenzenesulfonyl Chloride

4-乙基苯磺酰氯

5-氯磺酰-4-甲氧基噻酚-3-羧酸甲酯, Methyl 2-(Chlorosulfonyl)-3-methoxythiophene-4-carboxylate

4-Cyclohexylbenzenesulfonyl chloride

4-环己基苯磺酰氯

4-Chloro-5-(chlorosulfonyl)-2-fluorobenzoic acid

4-氯-5-(氯磺酰基)-2-氟苯甲酸

1-Ethoxy-3-isocyanatopropane