2-(2-(2-(4-(Diphenylmethylene)-1-piperidinyl) ethoxy)ethoxy)ethanol 2-(2-(2-(4-(Diphenylmethylene)piperidino)ethoxy)exothy)ethanol 55837-21-3 Pipoxizina [INN-Spanish] Pipoxizine Pipoxizine [INN] Pipoxizinum [INN-Latin]