Table 3 Contaminants identified within 1007 samples of illicit fentanyl
Fentanyl Precursors | Others |
|---|---|
4-Phenyl]amino-1-phenethylpiperidine (4-ANPP) | Phenothrin (Pyrethroid) |
4-anilino-N-phenethylpiperidin (Phenethyl 4-ANPP) | 1-hexadecene, 1-hexadecanol (surfactants) |
Fluoro Phenethyl-4-ANPP | Phenylpropanamide (fentanyl degradation product) |
Fluoro-4-ANPP | |
Meta-methyl 4-ANPP | |
4-anilino-N-phenethylpiperidin (Phenethyl 4-ANPP) | |
1-Propionyl-4-Anilinopiperidine | |
4-Anilinopiperidine | |
1-Phenethyl-4-Propionyloxypiperidine | |
1-Phenethyl-4-Hydroxypiperidine | |
4 N-Methyl Norfentanyl |