(S)-(-)-2-Benzyloxybutyraldehyde
(2R*,3R*,1'R*)-2-<(1'-benzyloxy)propyl>-3,5-dimethyl-2,3-dihydro-4H-pyran-4-one
(2S*,1'S*,3R*)-2-<(1'-benzyloxy)propyl>-3,5-dimethyl-2,3-dihydro-4H-pyran-4-one
(2S*,1'S*,6R*)-2-<(1'-benzyloxy)propyl>-6-methoxy-2,3,5,6-tetrahydro-4H-pyran-4-one
(2S*,1'S*,6S*)-2-<(1'-benzyloxy)propyl>-6-methoxy-2,3,5,6-tetrahydro-4H-pyran-4-one