has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244985168 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336684 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459875 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919539 |