| 摘要 |
Compound of the general formula (I), which is useful as an agricultural and horticultural fungicide, an agricultural and horticultural fungicidal composition containing the compound, use of the composition for controlling plant disease, and process for the production of the compound: (I) wherein: R1 and R2 each independently represent a C1-C6 alkyl group; one of R3 and R4 represents a C1-C6 alkyl group, a C1-C6 haloalkyl group, a C1-C6 alkoxy group, a C1-C6 alkoxy-C1-C6 alkyl group, a phenyl group or d benzyloxy group, and the other is a nitrogen atom-containing hetero ring which is selected from the group consisting of pyrrolidino, piperidine, morpholine, thiomorpholine, piperazine, hexamethyleneimine, tetrahydroquinoline, tetrahydroisoquinoline, 2,3-dihydro-1,4-benzoxazine and octahydro-1,4-benzoxazine and which is attached at its nitrogen atom to the rest of the derivative, the nitrogen atom-containing hetero ring being unsubstituted or substituted by at least one substituent selected from the group consisting of halogen, C1-C3 alkyl, phenyl ¢which may further be substituted by 1 to 5 halogen atoms!, C1-C6 alkoxy-carbonyl, benzyl, pyridiyl, pyrimidyl, 1,3dioxolane and halogenated 1,3-dioxolane.
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