(4R)-4α-Phenyltetrahydrofuran-2-one

(R)-4,5-Dihydro-4-phenyl-2(3H)-furanone

(R)-4α-Phenyl-4,5-dihydro-2(3H)-furanone

(4R)-4-Phenyl-4,5-dihydrofuran-2(3H)-one

(R)-3-Phenyl-4-hydroxybutyric acid 1,4-lactone