Pipemidic acid is one of an efficient quinolone antibacterial drug .Thecomplexitybetween pipemidic acidHpipc withgallium (Ⅲ ) ,germanium (Ⅳ ) and silicon (Ⅳ
As one of the areas where typical late Archean crust is exposed in the Eastern Block of the North China Craton,the northern Laioning Complex consists principall