| Label | Id | |
|---|---|---|
| 2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-1,9-dihydro-6H-purin-6-one | http://purl.obolibrary.org/obo/CHEBI_473990 | |
| entecavir | http://purl.obolibrary.org/obo/CHEBI_473990 | |
| entecavir (anhydrous) | http://purl.obolibrary.org/obo/CHEBI_473990 |