1 3X7 3-[4-(piperidin-1-ylmethyl)phenyl]-9h-pyrrolo[2,3-B:5,4-C']dipyridine-6-carbonitrile 1.000 2 3XL 3-(2-hydroxyphenyl)-9h-pyrrolo[2,3-B:5,4-C']dipyridine-6-carbonitrile 0.724