has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243942231 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460382 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919871 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336850 |