Table 1.

5-((1-benzyl-1H-indol-3-yl)methylene)-1,3-dimethyl-pyrimidine-2,4,6(1H,3H,5H)-trione analogs (3a– 3i)

Compound	R1	R2
3a	COOCH3	p-SO2Ph
3b	H	o-Br
3c	H	p-CH3
3d	H	p-OCH3
3e	H	p-CN
3f	H	p-Cl
3g	H	p-F
3h	Cl	p-F
3i	COOCH3	p-COOCH3

If (OD_test - OD_tzero) ≥ 0, then PG = 100 × (OD_test - OD_tzero)/(OD_ctrl - OD_tzero) and percentage growth is shown as positive.

If (OD_test - OD_tzero) < 0, then PG = 100 × (OD_test - OD_tzero)/OD_tzero and percentage growth is shown as negative, which implies cell death.¹⁵