1 6YG (6p)-2-{(3s)-1-[(2-methoxypyrimidin-5-yl)methyl]piperidin-3-yl}-6-(thiophen-2-yl)pyrimidin-4-ol 1.000 2 51B (6m)-2-[(3s)-1-{[2-(methylamino)pyrimidin-5-yl]methyl}piperidin-3-yl]-6-(thiophen-2-yl)pyrimidin-4-ol 0.862