| Label | Id | |
|---|---|---|
| (4S,5S)-4-methyl-1-azabicyclo[3.2.0]hept-2-en-7-one | http://purl.obolibrary.org/obo/CHEBI_46764 | |
| 1beta-methyl-2,3-didehydro-1-carbapenam | http://purl.obolibrary.org/obo/CHEBI_46764 | |
| 1beta-methylcarbapenem | http://purl.obolibrary.org/obo/CHEBI_46764 |