has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919400 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336580 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459822 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248963271 |