Proposition 1: A compound of general formula (1), in which R1 is selected from the hydrogen group, CN, SR',Yes.A. Alquenilo C83218C8331-8321； 832222；Alquenilo C83228331-832183222；1.C 8322833121838322 asphalt；A. Halogenated tar C832183-318321； 832222；Haloalquenilo C83228331-8321, 832222；A. Halogenated tar C832283318321； 832222；Alcoxi C832188331S 8321, 832222；Alqueniltio C833121； 833221；A. Periodic C838331C83838383838383838383838383838383838383838383838383838383838383838328 Periodic tar； In the periodic ring system, one or more carbon atoms can be replaced by heterogeneous atoms selected from N or S groups and selectively consisting of 1 to 3 members； The rings selected from Group C (= O)C (=s),S (O) 8344； or S (R'832222)；R2 and R3 are independently selected from the hydrogen group, CN, S(o) 8345R'.Yes.(c = o) - r',A. Alquenilo C83218C8331-8321； 832222；Alquenilo C83228331-832183222；1.C 8322833121838322 asphalt；A. halogenated tar c832183-318321； 832222；Haloalquenilo C83228331-8321, 832222；A. Halogenated tar C832283318321； 832222；A. C83238331-8328 periodic tar, Alquenilo C83248331838328；A. Periodic asphalt, C83248C8328, Arilo C832583318321；A. Aralquilo C832783318321； 832929；In this case, one or more carbon atoms in the ring system can be replaced by heteroatoms selected from groups N, O and S, which optionally include one or three ring atom members selected from group C.C (=s),S (O) 8344； or S (R'832222)；R1 and R2,R2 and R 3 or R1 and r3, together with their attached atoms or other atoms selected from groups C, N, O and S, can optionally include one or three ring members selected from group C.C (=s),S(O) 8344o； or if (R'83222222) can form an aroma-free ring of three to seven members, which may be composed of one or more X, R',O',Sir,N (R') 8322；If (R') 8323；Coor',C, o con (r') 832222；There, each between R1,R2 and R3 can be replaced by one or more groups selected from X and R groups.O',Sir,N (R') 8322；If (R') 8323；Coor',C, o con (r') 832222；A1,...A3 and A830808 are Cr. 8
