2-Butyl-4-chloro-1H-imidazole-5-carboxaldehyde; 2-Butyl-5-chloro-1H-imidazole-4-carboxaldehyde; 2-Butyl-4-chloro -5-formylimidazole; 2-Butyl-4-chloroimidazole-5-carboxaldehyde; 2-Butyl-5-formyl-4-chloroimidazole; Losartan Related Compound A