has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460211 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336932 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID242697249 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919605 |