Table 3.

IC50 of matrine derivatives 1 and 2 against Sf9 cells.

Compounds	IC50 (mmol/L)
	24 h	48 h	72 h
Sophocarpine	5.59 ± 1.6	5.46 ± 0.87	5.30 ± 0.59
Matrine	7.68 ± 0.91	10.07 ± 3.1	6.40 ± 1.8
Matrine derivatives 1	5.08 ± 0.26	0.12 ± 0.03	0.07 ± 0.01
Matrine derivatives 2	4.46 ± 1.4	4.07 ± 1.3	3.28 ± 0.76