has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245416982 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336520 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459860 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919121 |