has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408380 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248556188 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577488 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171215 |