| Label | Id | |
|---|---|---|
| (+-)-zopiclone | http://purl.obolibrary.org/obo/CHEBI_32315 | |
| (+/-)-Tiopronin | http://purl.obolibrary.org/obo/CHEBI_32229 | |
| -Asp | http://purl.obolibrary.org/obo/CHEBI_32465 | |
| (-)-17-(cyclobutylmethyl)morphinan-3,14-diol | http://purl.obolibrary.org/obo/CHEBI_3242 | |
| (-)-N-cyclobutylmethyl-3,14-dihydroxymorphinan | http://purl.obolibrary.org/obo/CHEBI_3242 | |
| (-)-Siccanin | http://purl.obolibrary.org/obo/CHEBI_32128 | |
| (-)-buprenorphine | http://purl.obolibrary.org/obo/CHEBI_3216 | |
| (-)-butorphanol | http://purl.obolibrary.org/obo/CHEBI_3242 | |
| (-)-cafestol | http://purl.obolibrary.org/obo/CHEBI_3291 | |
| (-)-tetrangomycin | http://purl.obolibrary.org/obo/CHEBI_32211 | |
| (-)S-CH2-NH-CH2-S(-) | http://purl.obolibrary.org/obo/CHEBI_32671 | |
| (1-carboxy-2-hydroxyethyl)amino | http://purl.obolibrary.org/obo/CHEBI_32847 | |
| (1-carboxy-2-mercaptoethyl)amino | http://purl.obolibrary.org/obo/CHEBI_32459 | |
| (1-carboxy-2-selanylethyl)amino | http://purl.obolibrary.org/obo/CHEBI_32756 | |
| (1-carboxy-2-sulfanylethyl)amino | http://purl.obolibrary.org/obo/CHEBI_32459 |