Table 2.

Tyrosinase inhibition activity of oxadiazole-based furan molecules 5a–j.

Compound	Tyrosinase Inhibition IC50 (µM)
5a	11 ± 0.25
5b	12.4 ± 0.0
5c	12.7 ± 0.0
5d	15.5 ± 0.0
5e	25 ± 0.75
5f	27 ± 1.00
5g	30 ± 1.50
5h	36 ± 0.25
5i	48 ± 0.96
5j	49.5 ± 0.92
Ascorbic acid Standard [43,44,45,47,48,49]	11.5 ± 1.00