has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459954 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337235 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244572159 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919461 |