has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336562 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243798177 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919680 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460097 |