| Label | Id | |
|---|---|---|
| 11,21-dioxoprogesterone | http://purl.obolibrary.org/obo/CHEBI_78601 | |
| 3,11,20-trioxopregn-4-en-21-al | http://purl.obolibrary.org/obo/CHEBI_78601 | |
| 4-pregnen-3,11,20-trione-21-al | http://purl.obolibrary.org/obo/CHEBI_78601 | |
| pregn-4-ene-3,11,20,21-tetraone | http://purl.obolibrary.org/obo/CHEBI_78601 |