1 A42 1-(5-chloro-2,4-dimethoxyphenyl)-3-(5-cyanopyrazin-2-yl)urea 1.000 2 H1K 1-(5-chloro-2,4-dimethoxyphenyl)-3-pyrazin-2-ylurea 0.913 3 H2K 1-{5-chloro-2-[(3r)-pyrrolidin-3-yloxy]phenyl}-3-(5-cyanopyrazin-2-yl)urea 0.714