1 NQK 2-chloranyl-4-[(1,3-dimethyl-2-oxidanylidene-benzimidazol-5-yl)amino]pyridine-3-carbonitrile 1.000 2 NQN 2-chloranyl-4-[[1-methyl-3-[(3~{R})-3-oxidanylbutyl]-2-oxidanylidene-benzimidazol-5-yl]amino]pyridine-3-carbonitrile 0.846 3 NR8 2-chloranyl-4-[[1-methyl-3-[(2~{S})-2-oxidanylbutyl]-2-oxidanylidene-benzimidazol-5-yl]amino]pyridine-3-carbonitrile 0.846 4 VHQ 2-chloranyl-4-[(1-methyl-2-oxidanylidene-quinolin-6-yl)amino]pyridine-3-carbonitrile 0.833 5 NQQ 2-chloranyl-4-[[1-methyl-3-(3-methyl-3-oxidanyl-butyl)-2-oxidanylidene-benzimidazol-5-yl]amino]pyridine-3-carbonitrile 0.815 6 NQE 2-[(1,3-dimethyl-2-oxidanylidene-benzimidazol-5-yl)amino]pyridine-3-carbonitrile 0.720 7 97S 2-chloranyl-4-[[4-(ethylamino)-1,3-dimethyl-2-oxidanylidene-quinolin-6-yl]amino]pyridine-3-carbonitrile 0.714 8 VHK 2-chloranyl-4-[[4-(ethylamino)-2-oxidanylidene-1h-quinolin-6-yl]amino]pyridine-3-carbonitrile 0.704