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Table 2 Molluscicidal activity and egg hatchability inhibitory activity of compounds 8 and 9

From: Discovery of the pyridylphenylureas as novel molluscicides against the invasive snail Biomphalaria straminea, intermediate host of Schistosoma mansoni

Compound

Adult snails

Egg hatchability

LC50 (mg/l)a

LC90 (mg/l)a

χ 2b

P b

IC50 (mg/l)a

IC90 (mg/l)a

χ 2b

P b

8

0.50 (0.44–0.57)

0.98 (0.82–1.25)

4.14

0.25

0.05 (0.038–0.056)

0.21 (0.19–0.25)

1.88

0.39

9

0.51 (0.46–0.57)

0.78 (0.69–0.97)

3.84

0.43

0.09 (0.081–0.111)

0.39 (0.35–0.44)

2.88

0.41

Niclosamide

0.114c/0.049d

0.212c/0.063d

–

–

0.01 (0.009–0.016)

0.06 (0.047–0.085)

1.18

0.56

  1. aValues are given as means with 95% confidence intervals in parentheses
  2. bPearson chi-square goodness-of-fit test
  3. c[31]
  4. d[34]