1,2,3-Propanetricarboxylic acid, 2-hydroxy-, bismuth(3+) potassium salt (2:1:3) 57644-54-9 Bismuth subcitrate Bismuth(3+) tripotassium bis(2-hydroxypropane-1,2,3-tricarboxylate) Calloidal bismuth subcitrate De-Noltab Duosol EINECS 260-872-5 Gastrodenol Tripotassium dicitratobismuthate de-Nol