label: (15S)-hydroperoxy-(5Z,8Z,11Z,13E)-eicosatetraenoate = (13R)-hydroxy-(14S,15S)-epoxy-(5Z,8Z,11Z)-eicosatrienoate
label_lc: (15s)-hydroperoxy-(5z,8z,11z,13e)-eicosatetraenoate = (13r)-hydroxy-(14s,15s)-epoxy-(5z,8z,11z)-eicosatrienoate