has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248607629 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460227 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919119 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337201 |