preferred_name: [(3R)-hydroxybutanoate](n) + H2O <=> [(3R)-hydroxybutanoate](n-4) + (3R)-hydroxybutanoate tetramer + H(+)
preferred_name_lc: [(3r)-hydroxybutanoate](n) + h2o <=> [(3r)-hydroxybutanoate](n-4) + (3r)-hydroxybutanoate tetramer + h(+)
label: [(3R)-hydroxybutanoate](n) + H2O <=> [(3R)-hydroxybutanoate](n-4) + (3R)-hydroxybutanoate tetramer + H(+)
label_lc: [(3r)-hydroxybutanoate](n) + h2o <=> [(3r)-hydroxybutanoate](n-4) + (3r)-hydroxybutanoate tetramer + h(+)