SMILES: C1C=CCO[C@H]2[C@H]1O[C@@H]3C[C@H]4[C@@H](C=C[C@H]5[C@H](O4)C/C=C\\[C@H]6[C@H](O5)COC(O6)CC(=O)O)O[C@H]3[C@@H]2O
Description: The molecule is a polycyclic ether comprising a linear sequence of sequence of six trans-fused six-, seven- and eight-membered oxacycles. It has a role as a hapten. It is a polycyclic ether and a cyclic acetal.