(9S,13R)-12-Oxo phytodienoic acid-d5
(9S,13R)-12-OPDA-d5 9S,13R)-12-OPDA-d5) is an isotopic label of (9S,13R)-12-oxyphytodienoic acid. (9S,13R)-12-Oxophytodienoic acid is an isomer of 12-oxoPDA (HY-118828). (9S,13R)-12-Oxo phytodienoic Acid is a lipoxygenase metabolite in green plant leaves.