has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237920016 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459793 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246680287 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336940 |