Fenirupiri (Mi) Jinirazoru class

Formula [I-a] and [I-b] [Wherein the symbols have the meanings mentioned in the specification] Fenirupiri (Mi) Jinirazoru such, as well as for the control of unwanted microorganisms in their agrochemically active salts, as well as the protection of plants and materials, as well as production method of use thereof, as well as a compound of the formula [I-a] and [I-b] for reduction of mycotoxin in the plants and plant parts.