| Label | Id | |
|---|---|---|
| pethidine chloride | http://purl.obolibrary.org/obo/CHEBI_31984 | |
| pethidine hydrochloride | http://purl.obolibrary.org/obo/CHEBI_31984 | |
| 1-methyl-4-phenylisonipecotic acid ethyl ester hydrochloride | http://purl.obolibrary.org/obo/CHEBI_31984 | |
| ethyl 1-methyl-4-phenylisonipecotate hydrochloride | http://purl.obolibrary.org/obo/CHEBI_31984 | |
| ethyl 1-methyl-4-phenylpiperidine-4-carboxylate hydrochloride | http://purl.obolibrary.org/obo/CHEBI_31984 | |
| ethyl 1-methyl-4-phenylpiperidyl-4-carboxylate hydrochloride | http://purl.obolibrary.org/obo/CHEBI_31984 |
