1 NS9 (2s,3s)-3-{[7-(benzylamino)-3-(1-methylethyl)pyrazolo[1,5-a]pyrimidin-5-yl]amino}butane-1,2,4-triol 1.000 2 X3Z (2s,3s)-3-[[7-[(2-bromophenyl)methylamino]-3-propan-2-yl-pyrazolo[1,5-a]pyrimidin-5-yl]amino]butane-1,2,4-triol 0.966 3 NNN (2r)-2-{[4-(benzylamino)-8-(1-methylethyl)pyrazolo[1,5-a][1,3,5]triazin-2-yl]amino}butan-1-ol 0.862 4 X2H ~{N}5-(6-azanylhexyl)-~{N}7-(phenylmethyl)-3-propan-2-yl-pyrazolo[1,5-a]pyrimidine-5,7-diamine 0.750