has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408338 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245572370 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171248 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577289 |