To provide a novel ketone or oxime compound, an agrochemical containing the same, particularly a herbicide.SOLUTION: The present invention provides a ketone or oxime compound, represented by a compound of formula (1) [where B is B-1 or B-2, Q is an oxygen atom or NOR, A is a hydrogen atom or the like, Ris C-Calkyl or the like, Ris C-Calkyl or the like, Rand Rare a hydrogen atom or C-Calkoxycarbonyl, Rand Rare a hydrogen atom, Zis C-Calkyl or the like, Zis -OR, Ris a heterocycle such as D3-18a], and a herbicide containing the same.SELECTED DRAWING: None【課題】新規なケトン若しくはオキシム化合物、それらを含む農薬、特に除草剤の提供。【解決手段】式（１）の化合物。［式中、ＢはＢ－１又はＢ－２を表し、Ｑは酸素原子又はＮＯＲ７を表し、Ａは水素原子等を表し、Ｒ６はＣ１～Ｃ６アルキル等を表し、Ｒ７はＣ１～Ｃ６アルキル等を表し、Ｒ８ａ及びＲ９ａは水素原子又はＣ１～Ｃ６アルコキシカルボニルを表し、Ｒ８ｂ及びＲ９ｂは水素原子を表し、Ｚ４はＣ１～Ｃ６アルキル等を表し、Ｚ７は－ＯＲ４１を表し、Ｒ４１はＤ３－１８ａ等の複素環を表す。］で表されるケトン若しくはオキシム化合物及びそれらを含有する除草剤。【選択図】なし
