1 YVQ 3-(1h-indol-3-yl)-6-(1h-pyrazol-4-yl)imidazo[1,2-a]pyrazine 1.000 2 4UB 3-phenyl-6-(1h-pyrazol-4-yl)imidazo[1,2-a]pyrazine 0.792 3 XEZ 6-(1h-pyrazol-3-yl)-3-(1h-pyrazol-4-yl)imidazo[1,2-a]pyrazine 0.750