has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408006 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141578012 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171093 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247473329 |