has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244803480 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460349 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919415 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336385 |