for the following products
(4R,6S)-6-[(1E)-2-[2-cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetic acid 1,1-dimethylethyl ester | Pitavastatin impurity (pitavastatin acetinide t-butyl ester) and tert-Butyl(3R,5S)-7-[2-cyclopropyl-4-(4-fluorophenyl)quinolin-3-yl]-3,5-isopropylidenedioxy-6-heptenoate