has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408565 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577784 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171078 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248465025 |