has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243482134 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171359 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391407741 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577557 |