has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408310 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID242853157 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141578047 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171076 |