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

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

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

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