has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336447 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247296447 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459916 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237918977 |