| Label | Id | |
|---|---|---|
| 2-hydroxyanthra-9,10-quinone | http://purl.obolibrary.org/obo/CHEBI_37482 | |
| 2-hydroxyanthracene | http://purl.obolibrary.org/obo/CHEBI_37091 | |
| 2-hydroxyanthracene-9,10-dione | http://purl.obolibrary.org/obo/CHEBI_37482 | |
| 2-hydroxyanthraquinone | http://purl.obolibrary.org/obo/CHEBI_37482 | |
| 2-hydroxyoctane | http://purl.obolibrary.org/obo/CHEBI_37869 | |
| 2-hydroxypenta-2,4-dienoate | http://purl.obolibrary.org/obo/CHEBI_37319 | |
| 2-imidazolidinone | http://purl.obolibrary.org/obo/CHEBI_37001 | |
| 2-imidazolidone | http://purl.obolibrary.org/obo/CHEBI_37001 | |
| 2-octanol | http://purl.obolibrary.org/obo/CHEBI_37869 | |
| 2-oxo-2H-pyran | http://purl.obolibrary.org/obo/CHEBI_37965 | |
| 2-oxoimidazolidine | http://purl.obolibrary.org/obo/CHEBI_37001 | |
| 2-oxomidazolidine | http://purl.obolibrary.org/obo/CHEBI_37001 | |
| 2-pyranone | http://purl.obolibrary.org/obo/CHEBI_37965 | |
| 2-propenoate | http://purl.obolibrary.org/obo/CHEBI_37080 | |
| 2-pyrone | http://purl.obolibrary.org/obo/CHEBI_37965 |