| n-(3-methyl-1-phenethyl-4-piperidyl)- (z)-(+)-propionanilid |
| (+)-cis-3-methylfentanyl |
| (+)-cis-n-(3-methyl-1-(2-phenylethyl)-4-piperidinyl)-n-phenylpropanamide |
| (+)-cis-n-(3-methyl-1-phenethyl-4-piperidyl)propionanilide |
| 1-(2-phenylethyl)-3-methyl-4-(n-propanoylanilino)piperidine |
| r-26,800 |
| n-(3-methyl-1-phenethyl-4-piperidyl)-(z)-(+)-propionanilid |
