A compound represented by the formula (I) or its salt and herbicidal and desiccant use thereof: ##STR1## wherein X, Y are independently hydrogen, halogen, cyano, nitro, or (C.sub.1-6)haloalkyl; Z is oxygen or sulfur; and Q is ##STR2##
化合物的
化学式(I)或其盐及其
除草剂和脱
水剂用途:##STR1##其中X,Y分别是氢,卤素,
氰基,硝基或(C.sub.1-6)卤代烷基;Z是氧或
硫;Q是##STR2##