has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID392200847 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID238306273 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID140874008 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247871695 |