TECHNOLOGY FOCUS - AGRICULTURE - Preferred Composition: The composition further comprises at least one additional insecticidal, acaricidal, nematicidal or molluscicidal compounds.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preparation (Disclosed): Preparation of (I) comprises: reacting substituted phenyl amino compounds of formula (IV) with 2-methyl-4-cyanobenzoic acid to give substituted phenyl 2-methyl-4-cyanobenzoic acid amide compounds of formula (V) (where R is OH, 1-6C alkoxy, Cl, F or Br); and reacting (V) with amine compounds of formula (NHR2Q2) in the presence of a coupling reagent (e.g. N,N'-dicyclohexylcarbodiimide), base e.g. pyridine and optionally in presence of a nucleophilic catalyst e.g. hydroxybenzotriazole, to give (I). Preferred Definitions:    R1, R2 = H;    R3 = F;    n = 0 or 1;    Y1, Y5 = F, Cl, Br, CN, -CH3, -C2H5, -OCH3, methylthio or methoxymethyl;    Y2, Y4 = H, Cl, F or -CH3;    Y3 = heptafluoropropyl, nonafluorobutyl, undecafluorocyclohexyl, heptafluoropropylthio, heptafluoropropylsulfinyl or heptafluoropropylsulfonyl; and    Q2 = 2-bromo-6-chloro-4-(hexafluoro-2-benzoyloxyprop-2-yl)phenyl, 2-bromo-6-chloro-4-(hexafluoro-2-hydroxyprop-2-yl)phenyl, 2-bromo-6-chloro-4-(nonafluorobut-2-yl)phenyl, 2-bromo-6-ethyl-4-(nonafluorobut-2-yl)phenyl, 2-chloro-6-cyano-4-(nonafluorobut-2-yl)phenyl, 2-chloro-6-methylthio-4-(nonafluorobut-2-yl)phenyl, 2,6-dibromo-4-(heptafluoroprop-2-yl)phenyl, 2,6-dibromo-4-(nonafluorobut-2-yl)phenyl, 2,6-dichloro-3-fluoro-4-(heptafluoroprop-2-yl)phenyl, 2,6-dichloro-4-(nonafluorobut-2-yl)phenyl, 2,6-dimethyl-4-(nonafluorobut-2-yl)phenyl, 2,6-dimethyl-4-(undecafluorocyclohexyl)phenyl, 2-ethyl-6-methyl-4-(nonafluorobut-2-yl)phenyl, 2-ethyl-6-methyl-4-(octafluoro-2-hydroxybut-2-yl)phenyl, 2-methoxymethyl-6-methyl-4-(nonafluorobut-2-yl)phenyl or 2-methoxy-6-methyl-4-(nonafluorobut-2-yl)phenyl.    ACTIVITY - Insecticidal; Nematocide. The insecticidal efficacy of (I) was tested against Spodoptera littoralis (Egyptian cotton leafworm). The result showed that 4-cyano-3-(4'-cyano-2'-methyl-benzoylamino)-N-(2,6-dibromo-4-(1,2,2,3,3,3-hexafluoro-1-trifluoromethyl-propyl)-phenyl)-benzamide exhibited 80% control of Spodoptera littoralis.    MECHANISM OF ACTION - None given.    ADMINISTRATION - Administration of (I) is: 0.1 g to 10 kg per hectare, preferably 1g to 1kg per hectare for control of pest; and 0.0001-10 (preferably 0.05-4) g/kg or seed for seed dressing, by any suitable route.    SPECIFIC COMPOUNDS - 8 Compounds (I) are specifically claimed e.g. 4-cyano-3-(4'-cyano-2'-methyl-benzoylamino)-N-(2,6-dibromo-4-(1,2,2,3,3,3-hexafluoro-1-trifluoromethyl-propyl)-phenyl)-benzamide of formula (Ia), 4-cyano-3-(4'-cyano-2'-methylbenzoylamino)-N-(2,6-dichloro-4-(1,2,2,3,3,3-hexafluoro-1-trifluoromethylpropyl)phenyl)-2-fluorobenzamide, N-(2-chloro-6-cyano-4-(1,2,2,3,3,3-hexafluoro-1-trifluoromethylpropyl)phenyl)-4-cyano-3-(4'-cyano-2'-methylbenzoylamino)benzamide, N-(2-bromo-6-chloro-4-(1,1,1,3,3,3-hexafluoropropan-2-ol)phenyl)-4-cyano-3-(4'-cyano-2'-methylbenzoylamino)benzamide and N-(2-bromo-6-chloro-4-(1,2,2,3,3,3-hexafluoro-1-trifluoromethylpropyl)phenyl)-4-cyano-3-(4'-cyano-2'-methylbenzoylamino)benzamide.    EXAMPLE - To a suspension of 4-cyano-2-methylbenzoic acid (0.5 g) in dichloromethane (5 ml) was added oxalyl chloride (0.315 ml) at ambient temperature, followed by N,N-dimethylformamide (2 drops). The reaction mixture was stirred for 30 minutes at ambient temperature and then heated to reflux for 30 minutes. The reaction mixture was allowed to cool to ambient temperature, concentrated and the residue suspended in tetrahydrofuran (5 ml). A solution of 3-amino-4-cyano-N-(2,6-dibromo-4-(1,2,2,3,3,3-hexafluoro-1-trifluoromethylpropyl)phenyl)benzamide (1.43 g) in a mixture of tetrahydrofuran (5 ml) and pyridine (0.498 ml) was cooled to 0 degrees C and the solution of 4-cyano-2-methylbenzoyl chloride was added. The reaction mixture was stirred at ambient temperature for 30 minutes, then the mixture reaction was stirred at 80 degrees C for 16 hours. Saturated aqueous sodium hydrogen carbonate (30 ml) was added and the mixture was extracted twice with ethyl acetate (2x 20 ml). The combined organic extracts were dried over sodium sulfate and concentrated. The residue was purified to give 4-cyano-3-(4'-cyano-2'-methyl-benzoylamino)-N-(2,6-dibromo-4-(1,2,2,3,3,3-hexafluoro-1-trifluoromethyl-propyl)-phenyl)-benzamide (0.752 g, 43%).