英文别名tert-Butyl 2-((4R,6S)-6-(cyanomethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate; tert-butyl 2-[(4R,6S)-6-(cyanomethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate; 2-Methyl-2-propanyl [(4R,6S)-6-(cyanomethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate; (4R,6S)-6-(Cyanomethyl)-2,2-dimethyl--1,3-dioxane-4-acetic Acid tert-Butyl Ester; Atorvastatin Impurity 55; tert-Butyl [(4R,6S)-6-(cyanomethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate; (4R,6S)-tert-Butyl-6-cyanoMethyl-2,2-diMethyl-1,3-dioxane-4-acetate; Atorvastatin Acetonide t-Butyl Ester Side Chain (4R,6S)-Isomer; Atorvastatin Impurity 61; Atorvastatin A8 intermediate 4R6S Diastereomer; (4R,6S)-1,3-Dioxane-4-acetic acid, 6-(cyanomethyl)-2,2-dimethyl-, 1,1-dimethylethyl ester; 1,3-Dioxane-4-acetic acid, 6-(cyanomethyl)-2,2-dimethyl-, 1,1-dimethylethyl ester, (4R,6S)- 
