5-Hydroxy-2H-1,4-benzoxazin-3(4H)-one

2-Nitropyridine-5-carboxylic acid

2-硝基-5-吡啶羧酸

2-溴-5-苯基-1,3,4-噁二唑, 2-Bromo-5-phenyl-1,3,4-oxadiazole

4-氯吡啶并[3,4-d]嘧啶, 4-Chloropyrido[3,4-d]pyrimidine

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

Ethyl imidazo[1,2-a]pyrazine-2-carboxylate

咪唑并[1,2-a]吡嗪-2-甲酸乙酯

3-Amino-1,2-benzisoxazole-6-carbonitrile

4-硝基异噁唑, 4-Nitroisoxazole

4-氨基-5-溴-6-氯嘧啶, 4-Amino-5-bromo-6-chloropyrimidine

2-Amino-9-((2-hydroxyethoxy)methyl)-1H-purin-6(9H)-one

2-氨基-9-((2-羟基乙氧基)甲基)-1H-嘌呤-6(9H)-酮