Annulated azole derivatives useful as microbicidal agents

Fused azole derivatives of the formula

• which
• R1 and R2 together with the carbon atoms to which they are attached represent a pyridinediyl radical, which may be mono- or distributed by identical or different substituents selected from the group consisting of fluorine, chlorine, bromine, cyano, nitro, amino, hydroxyl, formyl, carboxyl, thiocarbamoyl, methyl, ethyl, n- or i-propyl, n-, i-, s- or t-butyl, methoxy, ethoxy, n- or i-propoxy, methylthio, ethylthio, n- or i-propylthio, methysulphinyl, ethylsulphinyl, methylsulphonyl, ethylsulphonyl, trifluoromethyl, difluoromethoxy, trifluoromethoxy, difluoromethylthio, trifluoromethylthio, trifluoromethoxy, difluoromethylthio, trifluoromethylthio, trifluoromethylsulfinyl or trifluoromethylsulphonyl, methylamino, ethylamino, n- or i-propylamino, dimethylamino, diethylamino, acetyl, propionyl, acetyloxy, methoxycarbonyl, ethoxycarbonyl, methysulphonyloxy, ethylsulphonyloxy, hydroxyiminomethyl, hydroxyiminoethyl, methyoxyiminomethyl, ethoxyiminomethyl, methoxyiminoethyl, and ethoxyiminoethyl
• G represents a nitrogen atom
• A represents the grouping —SO2—R5, in which
• R5 represents isoxazolyl, which may be mono to distributed by identical or different substituents selected from the group consisting of fluorine, chlorine, bromine, cyano, nitro, amino, hydroxyl, formyl, n- or i-propyl, n-, i-, s- or t-butyl, propoxy, methyl, ethyl, n- or i-propyl, ni- i-, s- or t-butyl, methoxy, ethoxy, n- or i-propoxy, methylthio, ethylthio, n- or i-propylthio, methysulphinyl, methylsulphinyl, ethylsulphinyl, methylsulphonyl, ethylsulphonyl, trifluoromethyl, difluoromethoxy, trifluoromethoxy, difluoromethylthio, trifluoromethylthio, trifluoromethylsulphinyl or trifluoromethylsulphonyl, methylamino, ethylamino, n- or i-propylamino, dimethylamino, diethylamino, acetyl, propionyl, acetyloxy, methoxycarbonyl, ethoxycarbonyl, methysulphonyloxy, ethylsulphonyloxy, hydroxyiminomethyl, hydroxyiminoethyl, methyoxyiminomethyl, ethoxyiminomethyl, methoxyiminoethyl, and ethoxyiminoethyl.