(13S)-hydroperoxy-(9Z,11E)-octadecadienoate = (9Z,13S)-12,13-epoxyoctadeca-9,11-dienoate + H2O
(13s)-hydroperoxy-(9z,11e)-octadecadienoate = (9z,13s)-12,13-epoxyoctadeca-9,11-dienoate + h2o
(13S)-hydroperoxy-(9Z,11E)-octadecadienoate = (9Z,13S)-12,13-epoxyoctadeca-9,11-dienoate + H2O
(13s)-hydroperoxy-(9z,11e)-octadecadienoate = (9z,13s)-12,13-epoxyoctadeca-9,11-dienoate + h2o