2,2,2-Trifluoro-N-[3-(6-methyl-1,4,8,11-tetraoxa-dispiro[4.1.4.2]tridec-6-yl)-propyl]-acetamide

2,2,2-trifluoro-N-[3-(1-methyl-2,5-dioxocyclopentyl)propyl]acetamide