has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336681 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919047 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460204 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246058260 |