null
SMILES: [#6]\[#6](-[#6])=[#6]\[#6]-[#6]-1=[#6](-[#8])-c2c(occ(-c3ccc(-[#8]-[#7+](-[#8-])=O)cc3)c2=O)-[#6]-2-[#6]=[#6]C([#6])([#6])[#8]-[#6]-1-2
InChI Key: