has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391407854 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171361 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577485 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245723303 |