has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247042801 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391462877 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID228821683 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID482391295 |