1 X2D 6-{[(3r,4r)-4-(2-{[(1r,2s)-2-(3-chlorophenyl)cyclopropyl]amino}ethoxy)pyrrolidin-3-yl]methyl}-4-methylpyridin-2-amine 1.000 2 X2C 4-methyl-6-{[(3r,4r)-4-(2-{[(1r,2s)-2-(3-methylphenyl)cyclopropyl]amino}ethoxy)pyrrolidin-3-yl]methyl}pyridin-2-amine 0.931 3 Y2B 6-{[(3r,4r)-4-(2-{[(1s,2r)-2-(3-fluorophenyl)cyclopropyl]amino}ethoxy)pyrrolidin-3-yl]methyl}-4-methylpyridin-2-amine 0.931