1 HH8 4-bromanyl-1,8-naphthyridine 1.000 2 W3P 1,8-naphthyridine 0.909 3 4XH 5-bromoquinoline 0.833 4 2CK 1,2,3,4-tetrahydroisoquinoline 0.750 5 FK1 6-bromo-1h-indole 0.750 6 H4N 5-bromanyl-1~{H}-indole 0.750 7 ISQ Isoquinoline 0.750 8 E1T 1,8-naphthyridine-2-carboxylic acid 0.714