Imidodicarbonimidic diamide, N-(4-chlorophenyl)-N'-(1-methylethyl)-, mixt. with N4-(6-chloro-2-methoxy-9-acridinyl)-N1,N1-diethyl-1,4-pentanediamine dihydrochloride and N,N-diethyl-N'-(6-methoxy-8-quinolinyl)-1,3-propanediamine