has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244991872 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336444 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460248 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919208 |