| Label | Id | |
|---|---|---|
| (Z)-4-ethoxy-4-oxobut-2-enoic acid | http://purl.obolibrary.org/obo/CHEBI_165633 | |
| Ethyl hydrogen fumarate | http://purl.obolibrary.org/obo/CHEBI_165633 |
| Label | Id | |
|---|---|---|
| (Z)-4-ethoxy-4-oxobut-2-enoic acid | http://purl.obolibrary.org/obo/CHEBI_165633 | |
| Ethyl hydrogen fumarate | http://purl.obolibrary.org/obo/CHEBI_165633 |