has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919391 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246956649 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336763 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459786 |