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

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