has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246467551 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237920029 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460127 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336468 |