Ammonium oxalate monohydrate6009-70-732 % similar Nickel(II) oxalate dihydrate6018-94-632 % similar Ferrous oxalate dihydrate6047-25-232 % similar Potassium bitartrate868-14-431 % similar Potassium acid saccharate576-42-130 % similar Potassium sodium tartrate304-59-630 % similar Potassium lactate996-31-630 % similar