Section 06 Products of the chemical or allied 29 Organic chemicals 29 33 Heterocyclic compounds with nitrogen hetero-atom(s) only 29 33 36 -- 4-Anilino-N-phenethylpiperidine (ANPP) Commodity Code Description 29 33 36 00 -- 4-Anilino-N-phenethylpiperidine (ANPP)