| Label | Id | |
|---|---|---|
| 2,3-Butadione | http://purl.obolibrary.org/obo/CHEBI_16583 | |
| 2,3-Butanedione | http://purl.obolibrary.org/obo/CHEBI_16583 | |
| 2,3-Dihydroxyethylbenzene | http://purl.obolibrary.org/obo/CHEBI_16572 | |
| 2,3-Diketobutane | http://purl.obolibrary.org/obo/CHEBI_16583 | |
| 2,3-Dinor-11b-PGF2alpha | http://purl.obolibrary.org/obo/CHEBI_165323 | |
| 2,3-Dinor-PGE1 | http://purl.obolibrary.org/obo/CHEBI_165324 | |
| 2,3-Dinor-TXB1 | http://purl.obolibrary.org/obo/CHEBI_165348 | |
| 2,3-Dioxobutane | http://purl.obolibrary.org/obo/CHEBI_16583 | |
| 2,3-butandione | http://purl.obolibrary.org/obo/CHEBI_16583 | |
| 2,5-Cyclohexadiene-1,4-dione | http://purl.obolibrary.org/obo/CHEBI_16509 | |
| 2,5-Diazacyclohexane-1,4-dione | http://purl.obolibrary.org/obo/CHEBI_16535 | |
| 2,3-dihydroxyethylbenzene | http://purl.obolibrary.org/obo/CHEBI_16572 | |
| 2,5-Dioxopiperazine | http://purl.obolibrary.org/obo/CHEBI_16535 | |
| 2,5-Piperazinedione | http://purl.obolibrary.org/obo/CHEBI_16535 | |
| 2,4,6,8-Decatetraenal | http://purl.obolibrary.org/obo/CHEBI_165517 |