has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408127 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171264 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248439004 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577216 |