has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337242 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460233 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244199497 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237918929 |