Fungicidal triphenyl-substituted pyridones

A compound selected from Formula 1, N-oxides, and salts thereof,

• wherein
• each R1 is independently halogen, cyano, hydroxy, amino, nitro, —CHO, C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, C1-C6 haloalkyl, C2-C6 haloalkenyl, C2-C6 haloalkynyl, C3-C6 cycloalkyl, C3-C6 halocycloalkyl, C4-C8 alkylcycloalkyl, C4-C8 cycloalkylalkyl, C5-C8 alkylcycloalkylalkyl, C3-C6 cycloalkenyl, C2-C6 alkoxyalkyl, C2-C6 alkylthioalkyl, C2-C6 alkylsulfinylalkyl, C2-C6 alkylsulfonylalkyl, C2-C6 alkylaminoalkyl, C3-C6 dialkylaminoalkyl, C2-C6 alkylcarbonyl, C2-C6 haloalkylcarbonyl, C2-C6 alkoxycarbonyl, C2-C6 alkylaminocarbonyl, C3-C8 dialkylaminocarbonyl, C2-C6 cyanoalkyl, C1-C6 hydroxyalkyl, C1-C6 alkoxy, C1-C6 haloalkoxy, C3-C6 cycloalkoxy, C3-C6 halocycloalkoxy, C2-C6 alkoxyalkoxy, C3-C6 alkoxycarbonylalkyl, C1-C6 alkylthio, C1-C6 haloalkylthio, C1-C6 alkylsulfinyl, C1-C6 haloalkylsulfinyl, C1-C6 alkylsulfonyl, C1-C6 haloalkylsulfonyl, C3-C9 trialkylsilyl, C1-C6 alkylamino, C2-C6 dialkylamino, C2-C6 haloalkylamino, C2-C6 halodialkylamino, C2-C6 alkylcarbonylamino, C2-C6 haloalkylcarbonylamino, C1-C6 alkylsulfonylamino or C1-C6 haloalkylsulfonylamino;
• R2 is F or Cl;
• R3 is halogen or methoxy;
• R4 is H or halogen;
• and
• n is an integer selected from 0, 1, 2, 3, 4 and 5.