Fig. 2From: Larvicidal activity of the black pepper, Piper nigrum (Fam: Piperaceae) extracts on the cattle tick, Rhipicephalus australis (Acari: Ixodidae)Structures of compounds (1)−(5) Pellitorine (1), homopellitorine (2), pipyaqubine (3), 2-methylpropylamide (4) and N-isobutyl-2,4-eicosadienamide (5)Back to article page