has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408225 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141578021 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171013 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244882752 |