| Label | Id | |
|---|---|---|
| Malic acid | http://purl.obolibrary.org/obo/CHEBI_30797 | |
| S-2-Hydroxybutanedioic acid | http://purl.obolibrary.org/obo/CHEBI_30797 | |
| 2,3-dioxobutanedioic acid | http://purl.obolibrary.org/obo/CHEBI_30799 | |
| dioxosuccinic acid | http://purl.obolibrary.org/obo/CHEBI_30799 | |
| 2,6-Pyridinedicarboxylic acid, 4-(2-(2-carboxy-2,3-dihydro-5,6-dihydroxy-1H-indol-1-yl)ethenyl)-2,3-dihydro-, (S-(R*,R))- | http://purl.obolibrary.org/obo/CHEBI_3079 | |
| Malonic acid, conjugate base | http://purl.obolibrary.org/obo/CHEBI_30795 |