Table 2. Insecticidal activities of 6-phenoxy quinoline derivatives against Frankliniella occidentalis, Bemisia tabaci, and Thrips palmi.

Compound No. (2nd screening)	R3	R4	R5	EC90 (mg a.i./L)
				F. occidentalis	B. tabaci	T. palmi
cpd28	Me	Me	2′-Cl,4′-OCF3	5–20	1.25–2.5	20
cpd29	Me	Me	4′-OCF2CF2H	100–200	5–20	20–100
cpd30	Me	Me	4′-OCF3	5–20	<2.5	5–20
cpd31	H	Me	2′-Cl,4′-OCF3	5–20	<2.5	<5
cpd32	H	Me	4′-OCF2CF2H	5	<2.5	<5
cpd3 (Flometoquin)	H	Me	4′-OCF3	5	2.5–5	5–20

mg a.i./L: mg active ingredient/L