Disclosed are compounds of Formulae 1 and 1a, N-oxides, and salts thereof, wherein R1, R1a, Y, and J 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. Further disclosed is a method for preparing compounds of Formula 1 from compounds of Formula 1a.