2-Chloropyridine-3,4-diamine

2-氯-3,4-二氨基吡啶

5-Nitro-2-pyridinecarboxylic Acid

5-硝基-2-吡啶甲酸

5-Methylpicolinic acid

5-甲基-2-吡啶甲酸

3-Bromo-2,6-diaminopyridine

2,6-二氨基-3-溴吡啶

4-Bromo-1,3,5-trimethyl-1H-pyrazole

1,3,5-三甲基-4-溴-1H-吡唑

1,3-Dimethyl-1H-pyrazole-5-carbaldehyde

1,3-二甲基-1H-吡唑-5-甲醛

2-氯-4-(三氟甲基)嘧啶-5-甲酸乙酯, Ethyl 2-chloro-4-(trifluoromethyl)pyrimidine-5-carboxylate

2,4-Dibromopyrimidine

2,4-二溴嘧啶

4-Amino-2-mercaptopyrimidine-5-carbonitrile

2-巯基-4-氨基-5-氰基嘧啶

4,5-Diamino-6-mercaptopyrimidine

4,5-二氨基-6-巯基嘧啶