Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 33 Heterocyclic compounds with nitrogen hetero-atom(s) only; 29 33 36 4-Anilino-N-phenethylpiperidine (ANPP) 29 33 36 00 4-Anilino-N-phenethylpiperidine (ANPP) Commodity Code Description 29 33 36 00 000 4-Anilino-N-phenethylpiperidine (ANPP)