The molecule is a polycyclic ether comprising a linear sequence of three trans-fused oxacycles (one oxepine and two pyrans) which corresponds to the ABC ring fragment of ciguatoxin CTX1B. It has a role as an epitope. It is a polycyclic ether and an organic heterotricyclic compound.
(E,2S)-4-[(1S,3R,8S,9S,10R,12R)-9-hydroxy-2,7,11-trioxatricyclo[8.5.0.03,8]pentadec-13-en-12-yl]but-3-ene-1,2-diol