| Label | Id | |
|---|---|---|
| radical | http://purl.obolibrary.org/obo/CHEBI_26519 | |
| radicals | http://purl.obolibrary.org/obo/CHEBI_26519 | |
| ramnose | http://purl.obolibrary.org/obo/CHEBI_26546 | |
| rel-(2R,3R)-butane-1,2,3,4-tetrol | http://purl.obolibrary.org/obo/CHEBI_26981 | |
| rel-[(1R,2S)-1-carboxy-2-hydroxypropyl]amino | http://purl.obolibrary.org/obo/CHEBI_26988 | |
| rel-[(1R,2S)-2-amino-2-carboxy-1-methylethyl]oxy | http://purl.obolibrary.org/obo/CHEBI_26985 | |
| reticuline | http://purl.obolibrary.org/obo/CHEBI_26533 | |
| retinals | http://purl.obolibrary.org/obo/CHEBI_26534 | |
| retinoid | http://purl.obolibrary.org/obo/CHEBI_26537 | |
| retinoids | http://purl.obolibrary.org/obo/CHEBI_26537 | |
| retinoyl | http://purl.obolibrary.org/obo/CHEBI_26539 | |
| retinyl | http://purl.obolibrary.org/obo/CHEBI_26541 | |
| rhamnogalacturonan | http://purl.obolibrary.org/obo/CHEBI_26543 | |
| rhamnonate | http://purl.obolibrary.org/obo/CHEBI_26544 | |
| rhamnonolactone | http://purl.obolibrary.org/obo/CHEBI_26545 |