Table 4. Biofilm Formation Inhibition of Compouds 1–3 on S. aureus^ab.

	biofilm formation inhibition (%)
	1	2	3	vehicleb
MIC	81.55* ± 0.79	84.79** ± 0.38	75.67* ± 2.91	42.90 ± 1.73
1/2 MIC	79.10* ± 1.12	79.41* ± 0.39	67.61ns ± 2.54	36.17 ± 1.83

^aValues are presented as mean ± SD with n = 3. Degrees of significance determined using an ANOVA with a post-hoc Tukey’s test at a 5% significance level to compare the control with the vehicle are * = highly significant and ns = no significant difference.

^bVehicle contains 10% DMSO.