has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919962 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337014 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID325268693 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460511 |