has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577132 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171297 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246221444 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391407793 |