has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336656 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919401 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460198 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248376543 |