has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408092 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248224553 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171144 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577072 |