has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245561202 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336350 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919055 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460581 |