has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248437140 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336758 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460221 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919185 |