3-ACETYL-3-METHYLPENTANEDICARBONITRILE

4-Acetylphenylboronic acid

4-ALLYLTHIOSEMICARBAZIDE

16a,17a-Epoxyprogesterone

4-AMIDINOBENZAMIDE HYDROCHLORIDE

4-Amino-4H-1,2,4-triazole

4-AMINO-1,3,5-TRIAZINE-2-THIOL

4-AMINO-1,3,5-TRIMETHYLPYRAZOLE