has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459946 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337070 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919402 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248904122 |