The present invention provides compounds of formula (I) wherein D1, D2, D3, G1, G2, G3, Y3, Y4, Y6, p and X are as defined in the claims. The invention further relates to compositions which comprise these compounds and to their use in agriculture or horticulture for controlling or preventing infestation of plants by phytopathogenic microorganisms, preferably fungi.本發明提供式(I)的化合物其中D1、D2、D3、G1、G2、G3、Y3、Y4、Y6、p與X皆如申請專利範圍中所定義。本發明進一步係關於包含該等化合物的組成物,及其在農業或園藝中用於控制或預防由植物病原微生物,較佳為真菌,所造成的植物感染的用途。