Propionamide, N,N'-(dithiodiethylene)bis[3-(2,4-dihydroxy-3,3-dimethylbutyramido)- (5CI);Butanamide, N,N'-[dithiobis[2,1-ethanediylimino(3-oxo-3,1-propanediyl)]]bis[2,4-dihydroxy-3,3-dimethyl- (9CI);
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