4-羟基嘧啶-5-甲酸乙酯, Ethyl 4-hydroxypyrimidine-5-carboxylate

2-氨基-4-氰基噻唑, 2-Amino-4-cyanothiazole

2-(1-氮杂环丁基)-5-溴嘧啶, 2-Azetidin-1-yl-5-bromopyrimidine

5-溴哌嗪-2-羧酸, 5-Bromo-2-pyrazinecarboxylic acid

5-氯吡啶[3,4-B]吡嗪, 5-Chloropyrido[4,3-b]pyrazine

2,4-二溴噻唑, 2,4-Dibromoquinazoline

2-氯-5-溴-7H-吡咯并[2,3-d]嘧啶, 5-Bromo-2-chloro-7H-pyrrolo[2,3-d]pyrimidine

5-Bromo-3-iodo-1H-indazole

5-溴-3-碘-1H-吲唑

6-Chloroquinazolin-4-amine

6-氯-4-氨基喹唑啉

2,4-二氯嘧啶-5-甲酸, 2,4-Dichloro-5-pyrimidinecarboxylic acid