has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244643335 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459950 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237918984 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336811 |