1,2,3-Propanetricarboxylic acid, 2-hydroxy-, mixt. with copper(2+) sulfate (1:1), sodium hydrogen carbonate and sodium hydroxide 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, mixt. with copper(2+) sulfate (1:1), sodium hydrogen carbonate and sodium hydroxide (Na(OH)) 63126-89-6 Clinitest