喹 ㄎㄨㄟ ˊ kuí 诺 ㄋㄨㄛ ˋ nuò 酮 ㄊㄨㄥ ˊ tóng 喹 ㄎㄨㄟ ˊ kuí 諾 ㄋㄨㄛ ˋ nuò 酮 ㄊㄨㄥ ˊ tóng quinolone (a hydroxylated quinoline, inhibiting the replication of bacterial DNA)