has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336851 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245451281 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459862 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919078 |