114667-79-7 BU-E 76 BU-E-76 Guanidine, N-(3-(3,5-difluorophenyl)-3-(2-pyridinyl)propyl)-N'-(3-(1H-imidazol-4-yl)propyl)- N(1)-(3-(3,5-Difluorophenyl)-3-pyridine-2-ylpropyl)-N(2)-(3-(1H-imidazol-4-yl)propyl)guanidine