3-Carboxy-5-nitrophenylboronic acid

3-acetamidophenylboronic acid

2-Methoxyphenylboronic acid

Cyclopentanecarboximidamide hydrochloride

Cyclopentanecarboximidamide hydrochloride

3-Methyl-1H-pyrazole-5-carboxylic acid

3-Methyl-1H-pyrazole-5-carboxylic acid