1-tert-Butyl-3-(5-(o-fluorophenyl)-2,3-dihydro-1-methyl-2-oxo-1H-1,4-benzodiazepin-7-yl)urea 74872-43-8 Urea, N-(1,1-dimethylethyl)-N(sup 1)-(5-(2-fluorophenyl)-2,3-dihydro-1-methyl-2-oxo-1H-1,4-benzodiazepin-7-yl)-