inorganic compound > rare earth compound > lanthanide compound > gadolinium compound > copper gadolinium ruthenium strontium oxide

inorganic compound > chalcogen compound > oxygen compound > oxides > copper gadolinium ruthenium strontium oxide

inorganic compound > copper compound > copper gadolinium ruthenium strontium oxide

inorganic compound > strontium compound > copper gadolinium ruthenium strontium oxide

inorganic compound > ruthenium compound > copper gadolinium ruthenium strontium oxide