has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141578043 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391407908 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171353 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246647932 |