has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919456 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID249098168 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336429 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460328 |