citric acid, ammonium iron(3+) manganese(2+) zinc salt 2-Hydroxy-1,2,3-propanetricarboxylic acid/ammonia/iron(III)/manganese(II)/zinc,(1:x:x:x:x) salt 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, ammonium iron(3+) manganese(2+) zinc salt 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, ammonium iron(3+) manganese(2+) zinc salt (1::::) Ammoniated manganese, zinc, iron citrate Ammoniated zinc, manganese, iron citrate Einecs 269-239-8