Table 5. Docking free energy and estimated inhibition constant (K_i) of the docked indolizine analogues 5a–j.

Indolizine analogues	Docking free energy	Inhibition constant
5a	–8.46 kcal/mol	633.99 nM
5b	–8.39 kcal/mol	703.54 nM
5c	–7.86 kcal/mol	1.72 uM
5d	–7.90 kcal/mol	1.62 uM
5e	–8.47 kcal/mol	617.21 nM
5f	–7.07 kcal/mol	6.57 uM
5g	–8.54 kcal/mol	547.97 nM
5h	–8.53 kcal/mol	563.15 nM
5i	–8.57 kcal/mol	525.81 nM
5j	–7.36 kcal/mol	4.01 uM