has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248532881 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237918999 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460688 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337238 |