has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID238992305 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141875190 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246664039 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391554075 |