has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919441 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460659 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243494630 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336855 |