Compounds of formulas IA, IB, IC, IA2 and IA5: ** Formula ** wherein R1, R2, R3, independently of each other, represent H, A, aryl, heteroaryl, halogen, - (CY2) n- SA, - (CY2) n- SCF3, - CY2) n-SCN, - (CY2) n-CF3, - (CY2) n-OCF3, cycloalkyl, -SCH3, -SCN, -CF3, -OCF3, -OA, - (CY2) n-OH, - (CY2) n- CO2R, - (CY2) n-CN, - (CY2) n-halogen, - (CY2) n-NR2, (CY2) n-OA, (CY2) n-OCOA, -SCF3, (CY2) n-CONR2, - (CY2) n-NHCOA, - (CY2) n-NHSO2A, SF5, Si (CH3) 3, CO- (CY2) n-CH3, - (CY2 ) nN-pyrolidone, CH (CH2) nNRCOOR, CHNRCOOR, NCO, CH (CH2) nCOOR, NCOOR, CH (CH2) nOH, N (CH2) nOH, CHNH2, CH (CH2) nNR2, CH (CH2) nNR2, C (OH) R, CHNCOR, CH (CH2) naryl, CH (CH2) nheteroaryl, CH (CH2) nR1, N (CH2) nCOOR, CH (CH2) nX (CH2) naryl, CH (CH2) nX (CH2) nheteroaryl , N (CH2) nCONR2, XCONR (CH2) nNR2, N [(CH2) nXCOOR] CO (CH2) Naryl, N [(CH2) nXR] CO (CH2) Naryl, N [(CH2) nXR] CO (CH2) nXaryl, N [(CH2) nXR] SO2 (CH2) Naryl, N [(CH2) nNRCOOR] CO (CH2) Naryl, N [(CH2) nNR2] CO (CH2) Naryl, N [(CH2) nNR2] CO ( CH2) nNRaryl； N [(CH2) nNR2] SO2 (CH2) naryl, N [(CH2) nXR] CO (CH2) nheteroaryl, N [(CH2) nXR] CO (CH2) nXheteroaryl, N [(CH2) nXR] SO2 (CH2) nheteroaryl, N [(CH2) nNRCOOR] CO (CH2) nheteroaryl, N [(CH2) nNR2] CO (CH2) nheteroaryl, N [(CH2) nNR2] CO (CH2) nNRheteroaryl, or R1 and R3 also represent together -NC (CF3)>； = N-, -N-CR>； = N- or -NN>； = Ny / or R2 and R3 also represent together -NC (CF3)>； = N-, -N-CR>； = N- or - NN>； = N-, Y represents H, A, halogen A represents alkyl or cycloalkyl with 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10 C atoms, where one or more H atoms can be replaced by halogen, Aryl represents phenyl, naphthyl or unsubstituted or mono-, di-, or tri-substituted by halogen, A, OH, OA, NH2, NO2, CN, COOH, COOA, CONH2, NHCOA, NHCONH2, NHSO2A, CHO, COA, SO2NH2, SO2A, -CH2-COOH or -OCH2- COOH, Heteroaryl represents an unsubstituted mono or binucleated aromatic heterocycle, or mono-, di- or tri- substituted with halogen, A, NO2, NHA, NA2, OA, COOA or CN, with one or
