SMILES: C([C@@H]1[C@H]([C@H]([C@H](O1)OP(=O)(O)O)O)O)OP(=O)(O)O
Description: The molecule is a D-ribose 1,5-diphosphate in which the anomeric centre has alpha-configuration. It is a conjugate acid of an alpha-D-ribose 1,5-bisphosphate(4-).