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- Aldosterone is in equilibrium with its cyclic hemiacetal. Draw the hemiacetal form of aldosterone.Draw the Hemiacetal and acetal of Benzaldehyde3-Fucosyllactose is another HMO found in breast milk. (a) Locate any acetal and hemiacetal. (b) What products are formed when 3-fucosyllactose is hydrolyzed in aqueous acid?