has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919807 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460625 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247419361 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337039 |