Potassium sorbate24634-61-531 % similar Antimony potassium tartrate28300-74-531 % similar 2,4-Hexadienoic acid, potassium salt (1:1)590-00-131 % similar Monopotassium acetylenedicarboxylate928-04-131 % similar Sodium phenylpyruvate114-76-130 % similar Phenylpyroracemic acid calcium salt51828-93-430 % similar