4-(4-Aminophenoxy)-N-methyl-2-pyridinecarboxamide

2-(5-Amino-2-methylanilino)-4-(3-pyridyl)pyrimidine

Antazoline hydrochloride

5-Amino-4-imidazolecarboxamide hydrochloride

2-Acetyl-3-ethylpyrazine

2-Acetylthiazole

3-Azetidinemethanol hydrochloride

L-Azetidine-2-carboxylic acid

9，10-Anthracenediboronic acid bis(pinacol) ester

2-Aminopyridin-4-ol

5-Amino-2-methylbenzonitrile

Allyl cyanide

3-Amino-3-azabicyclo[3.3.0]octane hydrochloride

3-Amino-5-chloropyridine

5-Amino-2-chloropyridine

2-Amino-4-fluorophenol

8-Azaadenine

6-Azauracil

4-Amino-2-bromophenol

4-Amino-2-fluorophenol

2-Amino-3-nitroanisole

2-Amino-5-bromo-4-methylpyridine

2-Amino-5-nitropyridine

Anthrarufin

2-Amino-5-fluoro-3-nitropyridine