has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171019 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408766 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577522 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245803977 |