has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243385784 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336339 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919095 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459779 |