Synthesis, characterization, crystal structure and Hirshfeld surface analysis of a hexahydroquinoline derivative: <i>tert</i>-butyl 4-([1,1′-biphenyl]-4-yl)-2,6,6-trimethyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate
Acta crystallographica. Section E, Crystallographic communications