SMILES: C[C@@]1(C([C@H](CO1)O)(O)O)O
Description: The molecule is a tetrahydroxytetrahydrofuran in which the hydroxy groups are located at positions 2, 3, 4, and 4 and which is substituted by a methyl group at position 2 (the 2R,4S diastereoisomer). It has a role as an autoinducer. It is a tetrahydroxytetrahydrofuran, a ketone hydrate, a tetrol and a cyclic ketal.