has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243995741 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336961 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460147 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919373 |