Task: Translation
Input (Czech): Deriváty kyseliny fenyloctové obecného vzorce I, kde substituenty a index mají následující význam: X je kyslík nebo síra, R.sup.1.n. znamená atom vodíku a C.sub.1.n.-C.sub.4.n.-alkyl, R.sup.2.n. znamená kyano, nitro, trifluormethyl, halogen, C.sub.1.n.-C.sub.4.n.-alkyl a C.sub.1.n.-C.sub.4.n.-alkoxy, m znamená 0, 1 nebo 2, přičemž zbytky R.sup.2.n. mohou být stejné nebo rozdílné, jestliže m znamená 2, R.sup.3.n. znamená atom vodíku, kyano, nitro, hydroxy, amino, atom halogenu, C.sub.1.n.-C.sub.4.n.-alkyl, C.sub.1.n.-C.sub.4.n.-halogenalkyl, C.sub.1.n.-C.sub.4.n.-alkoxy, C.sub.1.n.-C.sub.4.n.-halogenalkoxy, C.sub.1.n.-C.sub.4.n.-alkylthio, C.sub.1.n.-C.sub.4.n.-alkylamino nebo di-C.sub.1.n.-C.sub.4.n.-alkylamino, R.sup.4.n. má význam uvedený v popisu a jejich sole, způsob jejich výroby a meziprodukty pro jejich výrobu a jejich použití.ŕ
Output (English): Phenylacetic acid derivatives of the general formula (I) wherein the substituents and the index have the following meanings: X is oxygen or sulfur; is hydrogen and C.sub.1-C.sub.4-alkyl, R.sup.2. is cyano, nitro, trifluoromethyl, halogen, C.sub.1-C.sub.4-alkyl and C.sub.1-C.sub.4 -alkoxy; is 0, 1 or 2, wherein the radicals R.sup.2 are n. they may be the same or different when m is 2, R is 3. is hydrogen, cyano, nitro, hydroxy, amino, halogen, C.sub.1-C.sub.4-alkyl, C.sub.1. n-haloalkyl, C.sub.1-C.sub.4, -alkoxy, C.sub.1-C.sub.4-haloalkoxy, C.sub.1 C.alpha.-alkylthio, C.sub.1-C.sub.4-alkylamino or di-C.sub.1. 4.n-alkylamino; and the salts thereof, the process for their preparation and the intermediates for their preparation and their use