has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919464 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460359 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336997 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245820451 |