has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243565698 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336434 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237920008 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459899 |