has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246159558 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID233609590 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141714698 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391430141 |