83184-43-4 DA 4577 Mifentidin Mifentidina [Spanish] Mifentidine Mifentidine [INN] Mifentidinum [Latin] N-(4-(4-Imidazolyl)phenyl)-N'-isopropylformamidin N-(p-Imidazol-4-ylphenyl)-N'-isopropylformamidine