has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336677 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237918945 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245346338 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460205 |