Table 2.

Anthelmintic activity data for compound 8.

Compd.	Earthworm species
	M. konkanensis		P. corethruses		Eudrilus sp.
	Mean paralyzing time (min) a	Mean death time (min)	Mean paralyzing time (min)	Mean death time (min)	Mean paralyzing time (min)	Mean death time (min)
Piperazine citrateb	12.38 ± 0.49	13.55 ± 0.27	19.17 ± 0.44	22.17 ± 0.26	12.45 ± 0.19	13.44 ± 0.36
8 b	08.22 ± 0.31	10.06 ± 0.23	16.02 ± 0.44	17.59 ± 0.59	08.45 ± 0.43	10.25 ± 0.37
Controlc	–	–	–	–	–	–
Mebendazoleb	10.52 ± 0.62	12.57 ± 0.49	18.02 ± 0.58	19.49 ± 0.37	11.29 ± 0.40	13.37 ± 0.42

^aData are given as mean ± S.D. (n = 3); ^bc = 2 mg mL⁻¹; ^c0.5% Tween 80 in distilled water.