| Label | Id | |
|---|---|---|
| (3S,8aS)-3-(1H-indol-3-ylmethyl)hexahydropyrrolo[1,2-a]pyrazine-1,4-dione | http://purl.obolibrary.org/obo/CHEBI_64530 | |
| cyclo-(Trp-Pro) | http://purl.obolibrary.org/obo/CHEBI_64530 | |
| cyclo-L-Trp-L-Pro | http://purl.obolibrary.org/obo/CHEBI_64530 | |
| cyclo-L-tryptophanyl-L-proline | http://purl.obolibrary.org/obo/CHEBI_64530 | |
| L-prolyl-L-tryptophan anhydride | http://purl.obolibrary.org/obo/CHEBI_64530 | |
| brevianamide F | http://purl.obolibrary.org/obo/CHEBI_64530 | |
| tryptophan-proline diketopiperazine | http://purl.obolibrary.org/obo/CHEBI_64530 | |
| L-tryptophyl-L-proline cyclic anhydride | http://purl.obolibrary.org/obo/CHEBI_64530 |