has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID140443808 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID238506552 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248186563 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID402828113 |