has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336599 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919478 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460202 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245955890 |