Pyrazolesulfonylurea derivatives, preparation thereof, herbicide containing said derivative as active ingredient and herbicidal method by use thereof

摘要

Disclosed is a novel pyrazolesulfonylurea derivative represented by the formula (I), preparation thereof, a herbicide containing said derivative as an active ingredient and a herbicidal method by use thereof. <IMAGE> (I) (wherein A, B, C, D, X, Y and Z are as defined in the specification).