Term Name:	ciguatoxin HIJKLM ring fragment
Synonyms:	(2R,2'R,3'S,4S,4a'R,6'R,7a'S,8a'R,9'S,10'S,10a'S,13'S,14'S,14a'R,15a'S,16a'R,17a'S)-3'-(hydroxymethyl)-3',6',9',13',14'-pentamethylicosahydro-1'H,3H-spiro[furan-2,12'-pyrano[3,2-b]pyrano[2'',3'':6',7']oxepino[2',3':5,6]pyrano[2,3-g]oxocine]-2',4,10'-triol
Definition:	A polycyclic ether comprising a linear sequence of sequence of five trans-fused oxacycles and one spiro-fused tetrahydrofuran ring.
Ontology:	ChEBI [CHEBI:61255]  ( EBI )