has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408358 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247666861 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171211 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577051 |