has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246746356 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336402 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459892 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919443 |