4-(dipropylamino)-3,5-dinitrobenzene-1-sulfonamide, Caswell No. 623A, Ryzelan, Oryzalin, 3,5-dinitro-N4,N4-dipropylsulfanilamide, Surflan, Dirimal, 3,5-Dinitro-4-dipropylamino-benzenesulphonamide, 4-(dipropylamino)-3,5-dinitrobenzenesulfonamide, 3,5-dinitro-N',N'-dipropylsulfanilamide, Dirimal Extra, Dinitrodipropylsulfanilamide