An optically inactive mixture
A(C_(6)H_(10)O_(4))
can be resolved into enantiomers and has the given NMR spectra.
^(13)
C NMR:
\delta 13.5,\delta 41.2,\delta 177.9
^(1)^(1)H
NMR: , quartet,
J=7Hz
, broad s, disappears after
D_(2)O
shake