has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID402828172 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248177013 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID238506619 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID140443914 |