has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337243 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245340368 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919489 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460061 |