has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID249196121 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID139696973 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239489814 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391066552 |