The invention relates to dihalogenobenzene derivatives of the formula I wherein R1, R2, A1, A2, A3, Z1, Z2 and n are as defined in the specification.
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(2008/06/13)
Derivatives of 4-cyano-2,3-difluorophenol
Derivatives of 4-cyano-2,3-difluorophenol of the formula I STR1 wherein R1 is an alkyl group which has 1-12 C atoms and in which one or two CH2 groups can also be replaced by --O--, --CO--, --CO--O-- and/or --CH=CH--, no two 0 atoms
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(2008/06/13)
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