has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID249199685 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919554 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460209 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336680 |