has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408582 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141578153 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171342 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247238667 |