has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919198 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459879 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337167 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247616935 |