The product is called Gavan Extra and has the formulation WG (water-soluble concentrate). The active ingredient,nicosulfuron, is present in an amount of 750 g/kg. The product belongs to the herbicide category. The manufacturer is Shandong Weifang Rainbow Chemical Co., Ltd., located in China. The application field of this herbicide is corn. The product is intended for combating various types of weeds, although specific weed types are not specified in the description. This product can be used either pre-planting or after emergence, but the exact timing of the last application and number of applications are not provided. The dosage of the product is also not specified in this description.