has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID323375562 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID449104002 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239625585 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID403891310 |