abstract |
The invention relates to novel alpha -fluoroacrylic acid derivatives of formula (I), wherein X, n, R<1>, R<2> and R<3> have the meaning defined in Claim 1. The invention further relates to combinations of active substances and antidotes, which contain alpha -fluoroacrylic acid derivatives and which are extremely well-suited for use in useful plant cultures as well as to the use of said substances and to a method for protecting cultivated plants. |