has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141714884 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391430218 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID233599798 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246298130 |