SMILES: C([C@@H]([C@H]([C@@H]([C@@H](C(=O)O)O)O)O)O)O
Description: The molecule is a gulonic acid formed by oxidising the aldehyde group of L-gulose to a carboxylic acid group. It is a conjugate acid of a L-gulonate. It is an enantiomer of a D-gulonic acid.