has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408107 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171237 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248461733 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577494 |