has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460579 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919490 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336761 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243542385 |