has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408486 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171380 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246902781 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577250 |