| 1-methyl-4-phenyl-isonipecotic aci ethyl ester |
| 1-methyl-4-phenyl-4-piperidinecarboxylic acid ethyl ester |
| 1-methyl-4-phenyl-piperidin-4-carbon-saeure-aethylester |
| 1-methyl-4-phenylisonipecotic acid ethyl ester |
| 1-methyl-4-phenylisonipecotic acid, ethyl ester |
| 1-methyl-4-phenylpiperidine-4-carboxylic acid ethyl ester |
| 1-methyl-4-phenyl-4-piperidinecarboxylic aci ethyl ester |
| demerol |
| dolantin |
| dolsin |
| ethyl 1-methyl-4-phenylisonipecotate |
| ethyl 1-methyl-4-phenylpiperidine-4-carboxylate |
| isonipecaine |
| meperidine |
| meperidol |
| methyl phenylpiperidine carbonic acid ethyl ester |
| n-methyl-4-phenyl-4-carbethoxypiperidine |
| nemerol |
| pethanol |
| pethidin |
| pethidine |
| pethidineter |
| petydyna |
| phetidine |
| pipersal |
| pipridosal |
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