Bis[rhodium(α,α,α',α'-tetramethyl-1,3-benzenedipropionic acid)]

for the following products bis[Rhodium(a,a,a#,a#-tetramethyl-1,3-benzenedipropionic acid)] | bis[Rhodium(alpha,alpha,alpha',alpha'-tetramethyl-1,3-benzenedipropionic acid)] and Bis[rhodium(α,α,α',α'-tetramethyl-1,3-benzenedipropionic acid)]