Figure 8. Packing the chains in layers in a racemate 5b crystal. Molecules A form a layer highlighted in Figure 8. Packing the chains in layers in a racemate 5b crystal. Figure 8. Packing the chains in layers in a racemate 5b crystal. yellow, molecules B form Molecules А form a layer highlighted in yellow, molecules В form green. Molecules А form a layer highlighted in yellow, molecules В form green.