A compound of formula (1) ** Formula ** in which A is phenyl, naphthyl or heteroaryl wherein said heteroaryl contains 1 to 4 heteroatoms each independently selected from N, O and S； R1a, R1b and R1c are each independently hydrogen, halo, hydroxyl, cyano, nitro, C1-C6 alkyl, C1-C6 haloalkyl, C1-C6 alkoxy, C0-C3 alkyl-C3-C6 alkyl, C1-C6 haloalkoxy, - C (O) NH2, -SF5, or -S (O) pR； R2 is halo, cyano, C1-C6 alkyl, C1-C6 haloalkyl, nitro, hydroxy, -C (O) NRaRb, C2-C6 alkenyl, C2-C6 alkynyl, -S (O) pR, or -OR； R3 is hydrogen, halo, hydroxyl, cyano, C1-C6 alkyl, C1-C6 haloalkyl, C0-C3 alkyl-C3-C6 cycloalkyl, -C (O) NH2, nitro, -SC (O) R, -C (O ) NRaRb, C0-C3-NRaR4, -NRaNRbR4, -NRaORb, -ONRaRb, N3, -NHR4, -OR, or -S (O) pR； R4 is hydrogen, C1-C6 alkyl, C0-C6 alkyl-C3-C6 cycloalkyl, -C (O) R5, -C (S) R5, -C (O) NRaR5, -C (O) C (O) NRaR5 , -S (O) pRc, -S (O) 2NRaR5, -C (NR7) R5, -C (NR7) NRaR5, C0-C6 alkyl-phenyl, C0-C6 alkyl heteroaryl, or C0-C6 alkyl heterocycle； R 5 is hydrogen, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 0 -C 6 alkyl C 3 -C 6 cycloalkyl, C 0 -C 6 alkyl phenyl, C 0 -C 6 alkyl heteroaryl, or C 0 -C 6 alkyl heterocycle； R6 is cyano, C1-C6 alkyl, C1-C6 haloalkyl, -C (O) NRaRb, C2-C6 alkenyl, C2-C6 alkynyl, C2-C6 haloalkenyl, or C2-C6 haloalkynyl； R7 is hydrogen, C1-C6 alkyl, hydroxyl, cyano, nitro, -S (O) pRc, or C1-C6 alkoxy； R is C1-C6 alkyl or C3-C6 cycloalkyl each optionally substituted with at least one halo； Ra is hydrogen, C1-C6 alkyl or C0-C3 alkyl-C3-C6 cycloalkyl； wherein the alkyl and alkylcycloalkyl are optionally substituted with cyano or at least one halo substituent； Rb is hydrogen, C1-C6 alkyl, C3-C6 cycloalkyl, C0-C3-phenyl alkyl, C0-C3-heteroaryl alkyl or C0-C3-heterocycle alkyl, each optionally substituted, when chemically possible, with at least one substituent selected from hydroxyl, cyano, halo, or -S (O) pR； Rc is C1-C6 alkyl, C1-C6 haloalkyl, C1-C6 haloalkyl C3-C6 alkyl, C0-C3 alkyl-C3-C6 alkyl, C0-C3-alkyl phenyl, C0-C3-heteroaryl alkyl, or C
