has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460527 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248646833 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919270 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337294 |