has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336631 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243961614 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237920017 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460088 |