has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460167 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919064 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247814059 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337202 |