has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID241075874 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID349770380 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID431577207 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID472156157 |