1 KR1 3-({3-[(2-amino-6-fluoropyridin-4-yl)methyl]-5-(1-methylethyl)-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl}carbonyl)-5-methylbenzonitrile 1.000 2 KRV 3-{[3-ethyl-5-(1-methylethyl)-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl]carbonyl}-5-methylbenzonitrile 0.719