IUPAC: methyl (1R,4aS,7S,7aS)-1-hydroxy-7-(hydroxymethyl)-1H,4aH,5H,6H,7H,7aH-cyclopenta[c]pyran-4-carboxylate

SMILES: [H][C@]12CC[C@H](CO)[C@@]1([H])[C@H](O)OC=C2C(=O)OC |c:13|