(8S,9S)-dihydroxy-(5Z,11Z,14Z)-eicosatrienoate => (8R,9S)-epoxy-(5Z,11Z,14Z)-eicosatrienoate + H2O
(8s,9s)-dihydroxy-(5z,11z,14z)-eicosatrienoate => (8r,9s)-epoxy-(5z,11z,14z)-eicosatrienoate + h2o
(8S,9S)-dihydroxy-(5Z,11Z,14Z)-eicosatrienoate => (8R,9S)-epoxy-(5Z,11Z,14Z)-eicosatrienoate + H2O
(8s,9s)-dihydroxy-(5z,11z,14z)-eicosatrienoate => (8r,9s)-epoxy-(5z,11z,14z)-eicosatrienoate + h2o