D-maltotetraono-1,5-lactone + H2O => D-maltotetraonate + H(+)
d-maltotetraono-1,5-lactone + h2o => d-maltotetraonate + h(+)
D-maltotetraono-1,5-lactone + H2O => D-maltotetraonate + H(+)
d-maltotetraono-1,5-lactone + h2o => d-maltotetraonate + h(+)