1 5MH 1-hydroxy-5-methylpyridine-2(1h)-thione 1.000 2 BEW 1-hydroxy-2-sulfanylpyridinium 0.889 3 2YU 1-hydroxy-4-methylpyridine-2(1h)-thione 0.800 4 3MH 1-hydroxy-3-methylpyridine-2(1h)-thione 0.800 5 6MH 1-hydroxy-6-methylpyridine-2(1h)-thione 0.800 6 A1IT7 4-fluoranyl-1-oxidanyl-pyridine-2-thione 0.800 7 3MP 3-methylpyridine 0.778 8 9PO Pyridine-N-oxide 0.778 9 PYS 2-pyridinethiol 0.778 10 7FH 1-hydroxy-5-(trifluoromethyl)pyridine-2(1h)-thione 0.750 11 7MH 1-hydroxy-4,6-dimethylpyridine-2(1h)-thione 0.727 12 4H2 4-methylpyridine-2(1h)-thione 0.700 13 93Q 3-methylpyridin-2-amine 0.700 14 A1AR3 3-ethenylpyridine 0.700 15 D4V 3-methylpyridin-2-ol 0.700 16 LG4 5-methylpyridin-2-amine 0.700 17 PYF 3-pyridinylcarbinol 0.700 18 XIE Nicotinaldehyde 0.700