has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336858 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460051 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919828 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID249310666 |