(4S)-2 2-DIMETHYL-1 3-DIOXOLANE-4-ACETO&

2,2-DIMETHYL-1,3-DIOXALANE-4(S)-ACETONITRILE

(S)-2,2-DIMETHYL-1,3-DIOXOLANE-4-ACETONITRILE

1,3-DIOXOLANE-4-ACETONITRILE, 2,2-DIMETHYL-, (S)