CC(CCCCNC(=O)OCc1ccccc1)NCC(c2ccc(c(c2)O)O)O 262766 EC50 = 49 nM 10727 4 P34971 Beta-1 adrenergic receptor CC(CCCCCNC(=O)OCc1ccccc1)NCC(c2ccc(c(c2)O)O)O 262683 EC50 = 8.7 nM 10727 4 P34971 Beta-1 adrenergic receptor CC(C)NCC(c1ccc(c(c1)O)O)O 1994 EC50 = 980 nM 10727 4 P34971 Beta-1 adrenergic receptor