(15S)-hydroperoxy-(5Z,8Z,11Z,13E)-eicosatetraenoate = 15-oxo-(5Z,8Z,11Z,13E)-eicosatetraenoate + H2O
(15s)-hydroperoxy-(5z,8z,11z,13e)-eicosatetraenoate = 15-oxo-(5z,8z,11z,13e)-eicosatetraenoate + h2o