has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246963954 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919039 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336810 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460040 |