| Label | Id | |
|---|---|---|
| 1,2-propadiene | http://purl.obolibrary.org/obo/CHEBI_37601 | |
| CH2=C=CH2 | http://purl.obolibrary.org/obo/CHEBI_37601 | |
| allene | http://purl.obolibrary.org/obo/CHEBI_37601 | |
| dimethylenemethane | http://purl.obolibrary.org/obo/CHEBI_37601 | |
| propa-1,2-diene | http://purl.obolibrary.org/obo/CHEBI_37601 | |
| propadiene | http://purl.obolibrary.org/obo/CHEBI_37601 |
