8-Methylpyrido[2,3-b]pyrazine

4-Hydroxyindolin-2-one

4-羟基吲哚啉-2-酮

Methyl 6-bromo-5-methoxypicolinate

5-Hydroxy-1H-indole-2-carboxylic acid

5-羟基吲哚-2-甲酸

5-溴-8-硝基喹啉, 5-Bromo-8-nitroquinoline

Methyl 3-(4-aminophenyl)propanoate

Methyl 6-chloro-1H-indazole-4-carboxylate

3-氨基-5-溴-2-吡啶羧酸, 3-Amino-5-bromopicolinic acid

Ethyl 5-chloro-1H-pyrrolo[2,3-b]pyridine-2-carboxylate

3-甲基-1H-吡唑-4-甲腈, 3-Methyl-1H-pyrazole-4-carbonitrile

Ethyl 4-oxo-3,4-dihydrothieno[3,2-d]pyrimidine-2-carboxylate