Compounds having fungicidal activities and represented by general formula (I) and salts and hydrates thereof ##STR1## wherein R.sup.1 represents an optionally substituted aryl, an optionally substituted alkl or the like; R.sup.2 represents an optionally substituted al,y an optionally substituted alkenyl, an optionally substituted alyyl, an optionally substituted aryl, an optionally substituted heterocyclic group or the like; R.sup.3 represents an optionally substituted alkl, an optionally substituted alkenyl, an optionally substituted alkynyl, an optionally substituted arylsulfonyl, an optionally substituted heterocyclic group or the like; R.sup.4 and R.sup.5, which may be the same or different, represent each a hydrogen atom, an optionally substituted al,y or an optionally substituted allkoxy, or R.sup.4 and R.sup.5 may form together with the adjacent nitrogen atom an optionally substituted monocycle or polycycle; X and Y, which may be the same or different, represents each an oxygen atom or NR.sup.6 wherein R.sup.6 represents a hydrogen atom, an optionally substituted alkyl an optionally substituted aryl, an optionally substituted alkanoyl, or an optionally substituted aroyl; Z represents an oxygen atom or a sulfur atom; and a wavy line (.about.) represents the configuration of an E isomer, a Z isomer, or a mixtue thereof.