has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243451400 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460573 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337126 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919617 |