(5-硝基吡啶-2-基)丙二酸二乙酯

2-(5-nitropyridin-2-yl)sulfanylbenzoic acid

3-methyl-1-(5-nitropyridin-1-ium-2-yl)pyridin-1-ium,dichloride

6-(4-aminophenyl)sulfonylpyridin-3-amine

(5-氨基-2-氟苯基)-氨基甲酸叔丁酯