1 QVE 8-azanyl-4-(2-hydroxy-2-oxoethyloxy)quinoline-2-carboxylic acid 1.000 2 9JV 8-azanyl-4-methoxy-quinoline-2-carboxylic acid 0.842 3 QUJ 8-azanyl-4-(2-methylpropoxy)quinoline-2-carboxylic acid 0.810 4 QUK 8-azanyl-4-(3-azanylpropoxy)quinoline-2-carboxylic acid 0.810 5 NOA Naphthyloxyacetic acid 0.700 6 QVS 8-azanyl-4-oxidanyl-quinoline-2-carboxylic acid 0.700