has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336672 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460380 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243931828 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919065 |