The present invention provides for pyridoxine phosphonate analogues such as, for example, alkylphosphonates, and azaalkylphosphonates) and to pyridoxine malonate analogues, such as, for example, malonates), pharmaceutical compositions, and methods for treatment of cardiovascular and related diseases, and diabetes mellitus and related diseases. Moreover a light blocking pattern may be formed of a metal having a large hardness instead of resin BM and a step height from the rear surface ITO may be removed to prevent a scratch due to an abrasive belt. At a proximal end, the collar is attachable to a drill shaft.