Table 4. ALS-enzyme activity and IC₅₀ values in ALS-enzyme activity assays.

Population	ALS activity (μM)	R/S	IC50 (μM)	R/S
18-ETF	34.73 ± 0.37	1.73	63.07	51.28
18-WMJ	30.03 ± 0.69	1.49	6.78	5.51
18-WJJ	32.82 ± 0.59	1.63	10.41	8.46
18-NJ	20.07 ± 0.29	–	1.23	–