1-(3-((5-carbamoyl-2-(2-((4-hydroxy-3-iodobenzimidoyl)amino)ethoxymethyl)-6-methyl-4-(4-nitrophenyl)-1,4-dihydroxypyridine-3-carbonyl)amino)propyl)-4-phenyl-1-piperidine-4-carboxylic acid methyl ester