has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408160 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577004 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246259391 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171172 |