classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/TW-201135493-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2011048010-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2011276326-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2011081082-A1 |