AB335-SA1,1,7
6“10p. 4-fluorobutyryl fentanyl
7(N-(4-fluorophenyl)-N-[1-(2-phenylethyl)piperidin-4-yl]-butyramide);”.
AB335-SA1,1,10
9“12w. Methoxyacetyl fentanyl
10(2-methoxy-N-phenyl-N-[1-(2-phenylethyl)piperidin-4-yl]-acetamide);
AB335-SA1,1,1211
12y. 3-methylbutyryl fentanyl
12(N-[3-methyl-1-(2-phenylethyl)piperidin-4-yl]-N-phenylbutyramide);”.
AB335-SA1,2,3
2“18. Tetrahydrofuran fentanyl
3(N-(1-phenethylpiperidin-4-yl)-N-phenyltetrahydrofuran-2-carboxamide);”.