has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246910643 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141714752 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391430083 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID233609243 |