has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243680266 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919988 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336530 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459979 |