has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID249213048 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919232 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336539 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459789 |