has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577660 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247520277 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171146 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391407771 |