2 i propoxy phenylsulphonylaminocarbonyl 2 2 difluoromethoxy phenylsulphonylaminocarbonyl 2 2 trifluoromethoxy phenylsulphonylaminocarbonyl 2 2 methoxycarbonyl phenylsulphonylaminocarbonyl 2 2 ethoxycarbonyl phenylsulphonylaminocarbonyl 2 2 n propoxycarbonyl phenylsulphonylaminocarbonyl 2 2 i propoxycarbonyl phenylsulphonylaminocarbonyl and 2 2 chloro 6 methyl phenylsulphonylaminocarbonyl 4 methyl 5 methoxy 2 4 dihydro 3h 1 2 4 triazol 3 one 4 methyl 5 ethoxy 2 4 dihydro 3h 1 2 4 triazol 3 one 4 methyl 5 n propoxy 2 4 dihydro 3h 1 2 4 triazol 3 one 4 methyl 5 i propoxy 2 4 dihydro 3h 1 2 4 triazol 3 one 4 methyl 5 trifluoroethoxy 2 4 dihydro 3h 1 2 4 triazol 3 one 4 methyl 5 methylthio 2 4 dihydro 3h 1 2 4 triazol 3 one 4 methyl 5 ethylthio 2 4 dihydro 3h 1 2 4 triazol 3 one 4 methoxy 5 methyl 2 4 dihydro 3h 1 2 4 triazol 3 one 4 methoxy 5 ethyl 2 4 dihydro 3h 1 2 4 triazol 3 one 4 methoxy 5 n propyl 2 4 dihydro 3h 1 2 4 triazol 3 one 4 cyclopropyl 5 methoxy 2 4 dihydro 3h 1 2 4 triazol 3 one 4 cyclopropyl 5 ethoxy 2 4 dihydro 3h 1 2 4 triazol 3 one 4 cyclopropyl 5 n propoxy 2 4 dihydro 3h 1 2 4 triazol 3 one 4 cyclopropyl 5 i propoxy 2 4 dihydro 3h 1 2 4 triazol 3 one and 4 cyclopropyl 5 trifluoroethoxy 2 4 dihydro 3h 1 2 4 triazol 3 one and also the sodium and potassium salts of these compounds mixing components of the formula i which may.