has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237920038 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337065 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244388613 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460108 |