1 P7C 1-[5-tert-butyl-3-({4-[2-(dimethylamino)ethyl]-5-oxo-1,4-diazepan-1-yl}carbonyl)thiophen-2-yl]-3-(2,3-dichlorophenyl)urea 1.000 2 P7B 1-{5-tert-butyl-3-[(5-oxo-1,4-diazepan-1-yl)carbonyl]thiophen-2-yl}-3-naphthalen-1-ylurea 0.725