SMILES: C[C@@H]1C[C@H]2[C@@H](C[C@H]3[C@H](O2)[C@H]([C@@H]([C@H]4[C@H](O3)[C@H]([C@@H]([C@]5(O4)C[C@@H](CO5)O)C)C)O)C)O[C@H]6C[C@@H]7[C@](COC(O7)CC(=O)O)(O[C@@H]6C1)C
Description: The molecule is a polycyclic ether comprising a linear sequence of sequence of six trans-fused oxacycles and one spiro-fused tetrahydrofuran ring. It has a role as a hapten. It is a polycyclic ether and a cyclic acetal.