has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460498 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248561581 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237918928 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336719 |