paeonilactone A

(-)-Paeonilactone

(3R,3aR,6S,7aR)-Tetrahydro-6-hydroxy-3,6-dimethyl-2,5(3H,4H)-benzofurandione

[3R,3aα,7aα,(-)]-3a,6,7,7a-Tetrahydro-6β-hydroxy-3α,6-dimethylbenzofuran-2,5(3H,4H)-dione