Compound 2a

3-[4''-(2,3-Dihydroxypropoxy)-5'-decyloxy-2'-(7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,16-henicosafluorohexadecyloxy)-p-terphenyl-4-yloxy]propane-1,2-diol

From: Arrays of giant octagonal and square cylinders by liquid crystalline self-assembly of X-shaped polyphilic molecules