Compounds of Formula I are disclosed which are useful as fungicides ##STR00001## wherein R.sup.1 is hydrogen; halogen; C.sub.1 C.sub.2 alkoxy; C.sub.1 C.sub.2 haloalkoxy; cyano; or C.sub.1 C.sub.2 alkyl optionally substituted with halogen, C.sub.1 C.sub.2 alkoxy or cyano; R.sup.2 is hydrogen; halogen; or C.sub.1 C.sub.4 alkyl optionally substituted with halogen, C.sub.1 C.sub.2 alkoxy or cyano; R.sup.3 is hydrogen; halogen; C.sub.1 C.sub.4 alkoxy; C.sub.1 C.sub.4 haloalkoxy; or C.sub.1 C.sub.4 alkyl optionally substituted with halogen, C.sub.1 C.sub.2 alkoxy or cyano; or R.sup.2 and R.sup.3 can be taken together as --CH.sub.2CH.sub.2--; R.sup.4 is C.sub.1 C.sub.2 alkyl; R.sup.5 is R.sup.6, CH(R.sup.8)OR.sup.6, CH(R.sup.8)CH(R.sup.7)R.sup.6 or C(R.sup.8).dbd.C(R.sup.7)R.sup.6; R.sup.6, R.sup.7 and R.sup.8 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula I and a method for controlling plant diseases caused by fungal plant pathogens which involves applying an effective amount of a compound of Formula I.