has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244932475 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460134 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919358 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337301 |