1 67N 6-methyl-1,6-dihydro-7h-pyrrolo[2,3-C]pyridin-7-one 1.000 2 9HX 9-deazahypoxanthine 0.750 3 U5H (5~{S})-1-methyl-5-pyridin-3-yl-pyrrolidin-2-one 0.714