3-hydroxy-4-oxoquinoline 2,4-dioxygenase activity
3-hydroxy-4-oxoquinoline 2,4-dioxygenase activity
3-hydroxy-1H-quinolin-4-one 2,4-dioxygenase (CO-forming)
3-hydroxy-1h-quinolin-4-one 2,4-dioxygenase (co-forming)