has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919979 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243192202 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460648 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336998 |