has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919482 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460376 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID242863469 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337095 |