has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919252 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337112 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460011 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246361025 |