| 摘要 |
Polyalkylene oxide derivates of the formula (I), Ra—(CO)a—[O]c-A—(CO)b—Rb  (I) in which the symbols and indices have the following meanings: Ra is a C8-C30-hydrocarbon radical; Rb is a C8-C30-hydrocarbon radical, such as C8-C30-alkyl, C8-C30-alkenyl, C8-C30-alkynyl; a is 0 or 1; b is 0 or 1; c is 0 or 1 and A is one or more alkylene oxide units. Compounds of the invention are suitable for promoting the penetration of fungicidal active substances into plants.
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