has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337203 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919514 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460090 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246035988 |