has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248910883 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391430121 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141714734 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID233608448 |