has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248161122 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919950 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337122 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460291 |