triamterene , a compound similar to amiloride in regard to diuretic effect , had very little effect on [ 3h ] yohimbine and [ 3h ] prazosin binding to rat kidney membranes , suggesting that the alpha-adrenoreceptor antagonistic properties of amiloride are not related to its antikaliuretic effect .
C0040869
triamterene
C0002502
amiloride