has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141578084 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245801672 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171132 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391407858 |