6-hydroxyquinolin-2(1H)-one + AH2 => quinolin-6-ol + A + H2O
6-hydroxyquinolin-2(1h)-one + ah2 => quinolin-6-ol + a + h2o
6-hydroxyquinolin-2(1H)-one + AH2 => quinolin-6-ol + A + H2O
6-hydroxyquinolin-2(1h)-one + ah2 => quinolin-6-ol + a + h2o