(3R)-3-\{[(3R)-3-\{[(3R)-3-\{[(3R)-3-\{[(3R)-3-hydroxybutanoyl]oxy\}butanoyl]oxy\}butanoyl]oxy\}butanoyl]oxy\}butanoate

(3R)-3-\{[(3R)-3-\{[(3R)-3-\{[(3R)-3-\{[(3R)-3-hydroxybutanoyl]oxy\}butanoyl]oxy\}butanoyl]oxy\}butanoyl]oxy\}butanoate