has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID249205401 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460517 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336323 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919277 |