Name: EMD 66684; 2-BUTYL-3,4-DIHYDRO-N,N-DIMETHYL-4-OXO-3-[[2'-(1H-TETRAZ OL-5-YL)[1,1'-BIPHENYL-4-YL]METHYL]-5H-IMIDAZO[4,5-C]PYR IDINE-5-ACETAMIDE HCL