has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408751 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171457 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247288171 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577818 |