PARASITICIDAL COMPOSITIONS CONTAINING --HALOALKYL NITROBENZIMIDAZOLES AND METHOD OF KILLING INSECTS AND ACARINA PARASITES IN ANIMALS

摘要

1505846 Parasiticidal Formulation ELI LILLY & CO 10 March 1975 [11 March 1974 2 Dec 1974] 10 March 1975 9843/75 Heading A5E A parasiticidal formulation for oral or porcutaneous administration to an infected host animal is a capsule, implant injectable sterile suspension or matrix formulation, and includes a compound of formula I wherein R is chloro trifluoromethyl, difluoromethyl or chlorofluoromethyl; R' is H, RSP2/SP is chlorodifluoromethyl 1, trifluoromethyl, 1, 1, 2, 2 - tetrafluoroethyl, pentafluoroethyl, pentafluoroethyl, heptafluoropropyl, or beptafluoroisopropyl; RSP3/SP to C 1-6 alkyl, C 2-3 alkenyl, phenyl or benzyl; RSP4/SP is C 1-5 alkyl, phenyl, chlorophenyl, anisyl or tolyl; RSP5/SP is C 1-3 alkyl or phenyl; or an ammonium, alkali metal or alkaline earth metal salt of a compound of formula I wherein RSP1/SP is H associated with a suitable veterinarally acceptable carrier therefor.