has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244971223 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337036 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460264 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919743 |