The molecule is a ciguatoxin comprising a sequence of twelve trans-fused six-, seven-, eight- and nine-membered oxacycles and a spiro-fused hydroxytetrahydrofuran ring. It has a role as a metabolite.
(1R,3S,3'S,4Z,7R,9S,11R,13S,19R,20R,21S,23R,26S,28R,30Z,33S,35R,37S,39R,41S,43R,44S,45S,46R,48S,49S,50S,51R,53S,55R,57R,59S,60R)-44,45,50,55,59-pentamethylspiro[2,8,12,18,22,27,34,38,42,47,52,58-dodecaoxadodecacyclo[31.28.0.03,28.07,26.09,23.011,21.013,19.035,59.037,57.039,53.041,51.043,48]henhexaconta-4,15,24,30-tetraene-46,5'-oxolane]-3',20,49,60-tetrol