961.14 (2) (nd) 3m. Alpha'-methyl butyryl fentanyl (2-methyl-N-(1-phenethylpiperidin-4-yl)-N-phenylbutanamide);
10m. 2',5'-dimethoxyfentanyl (N-(1-(2,5-dimethoxyphenethyl)piperidin-4-yl)-N-phenylpropionamide);
11m. 3-furanyl fentanyl (N-(1-phenethylpiperidin-4-yl)-N-phenylfuran-3-carboxamide);
12e. Isovaleryl fentanyl (3-methyl-N-(1-phenethylpiperidin-4-yl)-N-phenylbutanamide);
12m. Meta-fluorofentanyl (N-(3-fluorophenyl)-N-(1-phenethylpiperidin-4-yl)propionamide);
12s. Meta-fluoroisobutyryl fentanyl (N-(3-fluorophenyl)-N-(1-phenethylpiperidin-4-yl)isobutyramide);
16n. Ortho-fluorofuranyl fentanyl (N-(2-fluorophenyl)-N-(1-phenethylpiperidin-4-yl)furan-2-carboxamide);
17g. Para-methoxyfuranyl fentanyl (N-(4-methoxyphenyl)-N-(1-phenethylpiperidin-4-yl)furan-2-carboxamide);
17r. Para-methylcyclopropyl fentanyl (N-(4-methylphenyl)-N-(1-phenethylpiperidin-4-yl)cyclopropanecarboxamide);
Wis. Admin. Code Controlled Substances Board CSB 2.005