has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336698 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919369 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460151 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243859942 |