4-(5-Nitro-2-furyl)-2-chinolincarbonaeure-1-oxid 4-(5-Nitro-2-furyl)quinaldic acid 1-oxide 57474-29-0 EINECS 260-755-9 Nifuroquina [INN-Spanish] Nifuroquine Nifuroquine [BAN:INN] Nifuroquinum [INN-Latin] Quinaldofur