5-methyl-1-nitropyrazole

N-(3,7-dichloro-fluoren-2-yl)-acetamide

N-(3-溴-4-甲氧基苯基)乙酰胺

N-(3,4-diphenyloxadiazol-3-ium-5-yl)acetamide

1,3-二乙酰氧基丙酮