2-BUTENOIC ACID, (6-OXO-3,4,5-TRIHYDROXY-1-CYCLOHEXEN-1-YL)METHYL ESTER, (3R-(3- 2-Butenoic acid, (6-oxo-3,4,5-trihydroxy-1-cyclohexen-1-yl)methyl ester, (3R-(3-alpha,4-alpha,5-alpha))- 57449-30-6 Crotonyloxymethyl-4,5,6-trihydroxycyclohex-2-enone