has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID238506613 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248065445 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID402828136 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID140443825 |