Predicate |
Object |
title |
Two oxygen atoms |
label |
C07D239/52 |
sameAs |
http://data.epo.org/linked-data/def/ipc/C07D239-52 http://www.wipo.int/classifications/ipc/ipcpub/?notion=scheme&symbol=C07D0239520000 |
broader |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D239-46 |