SMILES: C1C[C@H]([C@@H](C1)OCP(=O)(O)O)N2C=CC(=O)NC2=O
Description: The molecule is a phosphonic acid consisting of 1-cyclopentyluracil having a phosphomethoxy group at position 2 on the cyclopentyl ring with (1R,2R)-trans-stereochemistry. It derives from a uracil and a phosphonic acid.