preferred_name: (3R)-hydroxybutanoate tetramer + (R)-3-hydroxybutanoate + H(+) => (3R)-hydroxybutanoate pentamer + H2O
preferred_name_lc: (3r)-hydroxybutanoate tetramer + (r)-3-hydroxybutanoate + h(+) => (3r)-hydroxybutanoate pentamer + h2o
label: (3R)-hydroxybutanoate tetramer + (R)-3-hydroxybutanoate + H(+) => (3R)-hydroxybutanoate pentamer + H2O
label_lc: (3r)-hydroxybutanoate tetramer + (r)-3-hydroxybutanoate + h(+) => (3r)-hydroxybutanoate pentamer + h2o