2-氨基-6-环丙基氨基-9H-嘌呤, N6-Cyclopropyl-9H-purine-2,6-diamine

2-Methylpyrimidine-4,6-diamine

3-Bromo-6-iodoquinoline

4,6,8-Trichloro-1,7-naphthyridine

4,6-Dichloro-2,3-dimethylpyridine

4-氰基烟酸, 4-Cyanonicotinic acid

5-Bromo-2-iodopyridin-3-amine

8-Bromoisoquinolin-5-amine

6-甲氧基-5-硝基-2-吡啶羧酸, 6-Methoxy-5-nitropicolinic acid

6-氯-5-硝基-2-吡啶羧酸, 6-Chloro-5-nitropicolinic acid