. . "noyl, butenoyl, pentenoyl, 1,3-pentadienoyl, 5-hexenoyl. [0091] Halogen is fluorine, chlorine, bromine and iodine, especially fluorine, chlorine and bromine, preferably fluorine and chlorine. [0092] Phenoxyphenyl is 2-phenoxyphenyl, 3-phenoxyphenyl or 4-phenoxyphenyl. [0093] Biphenylyl is 2-biphenylyl, 3-biphenylyl or 4-biphenylyi. [0094] Thie" . . . . .