(2-butenylidene)acetic acid (2E,4E)-hexa-2,4-dienoic acid (E,E)-2,4-hexadienoic acid 1,3-pentadiene-1-carboxylic acid 110-44-1 2,4-Hexadienoic acid 2,4-hexadienoic acid, (2E,4E)- 2-Propenylacrylic acid Hexadienoic acid, (E,E) InChI=1/C6H8O2/c1-2-3-4-5-6(7)8/h2-5H,1H3,(H,7,8)/b3-2+,5-4 Preservastat Sorbic acid Sorbistat alpha-trans-gamma-trans-sorbic acid crotylidene acetic acid hexa-2,4-dienoic acid hexadienoic acid panosorb trans,trans-2,4-hexadienoic acid trans,trans-sorbic acid