has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460012 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336492 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID249330958 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919473 |