3-Cyclopropyl-5H,6H,7H,8H-[1,2,4]-triazolo[4,3-a]pyrimidine

(R,S)-2-tert-Butoxycarbonyl-1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid

N-(四丁氧基羧基)-1,2,3,4-四羟基异喹啉

6-氯-3(2H)-哒嗪酮, 6-Chloro-3-hydroxypyridazine

2-Amino-5-bromobenzothiazole

2-氨基-5-溴苯并噻唑

Ethyl 5-aminopyrazine-2-carboxylate

5-氨基吡嗪-2-甲酸乙酯

5-溴-2-吡唑-1-基-嘧啶, 5-Bromo-2-pyrazol-1-yl-pyrimidine

2-溴-5-氰基吡嗪, 2-Bromo-5-cyanopyrazine

3-溴-8-氯咪唑并[1,2-a]吡嗪, 3-Bromo-8-chloroimidazo[1,2-a]pyrazine

6-Bromo[1,2,4]triazolo[4,3-a]pyridine

6-溴-[1,2,4]三唑并[4,3-A]砒啶

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

2-Amino-5-pyrazinecarboxylic acid

5-氨基-2-吡嗪酸