1 QDD 2-(8-azanyl-2-methanoyl-quinolin-4-yl)ethanoic acid 1.000 2 9JC 4-(aminomethyl)-8-azanyl-quinoline-2-carbaldehyde 0.789 3 A1IJQ 8-azanylquinoline-2-carboxylic acid 0.778 4 QUA 8-hydroxy-4-(1-hydroxyethyl)quinoline-2-carboxylic acid 0.750 5 QVS 8-azanyl-4-oxidanyl-quinoline-2-carboxylic acid 0.737 6 QNC Quinoline-2-carboxylic acid 0.722 7 9JV 8-azanyl-4-methoxy-quinoline-2-carboxylic acid 0.700 8 VNW 8-azanyl-4-methylselanyl-quinoline-2-carboxylic acid 0.700