alpha-Phenylacetoacetamide (APAA) CAS 4433-77-6 amphetamine precursor designer precursor category 1 table I DEA List I EU Scheduled Precursors
alpha-Phenylacetoacetonitrile (APAAN) CAS 4468-48-8 amphetamine precursor designer precursor category 1 table I DEA List I EU Scheduled Precursors