has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243270008 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237920030 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337013 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460360 |