has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243575664 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336788 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459926 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919407 |