D-maltotriono-1,5-lactone + H2O = D-maltotrionate + H(+)
d-maltotriono-1,5-lactone + h2o = d-maltotrionate + h(+)
D-maltotriono-1,5-lactone + H2O = D-maltotrionate + H(+)
d-maltotriono-1,5-lactone + h2o = d-maltotrionate + h(+)