Disclosed are compounds of Formula (1), including all geometric and stereoisomers, tautomers, N-oxides, and salts thereof, wherein R1, R2, R3, R4, R5, R6, R7 and R8 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling plant disease caused by a fungal pathogen comprising applying an effective amount of a compound or a composition of the invention.