| Label | Id | |
|---|---|---|
| arylpyrone | http://purl.obolibrary.org/obo/CHEBI_22649 | |
| ascorbate | http://purl.obolibrary.org/obo/CHEBI_22651 | |
| asparagina | http://purl.obolibrary.org/obo/CHEBI_22653 | |
| asparagine | http://purl.obolibrary.org/obo/CHEBI_22653 | |
| asparagino | http://purl.obolibrary.org/obo/CHEBI_22655 | |
| asparaginyl | http://purl.obolibrary.org/obo/CHEBI_22656 | |
| aspart-1-yl | http://purl.obolibrary.org/obo/CHEBI_22445 | |
| aspart-4-yl | http://purl.obolibrary.org/obo/CHEBI_22832 | |
| asparto | http://purl.obolibrary.org/obo/CHEBI_22662 | |
| aspartoyl | http://purl.obolibrary.org/obo/CHEBI_22663 | |
| aspulvinone | http://purl.obolibrary.org/obo/CHEBI_22669 | |
| aspulvinones | http://purl.obolibrary.org/obo/CHEBI_22669 | |
| azide | http://purl.obolibrary.org/obo/CHEBI_22680 | |
| azides | http://purl.obolibrary.org/obo/CHEBI_22680 | |
| aziridines | http://purl.obolibrary.org/obo/CHEBI_22681 |