1 NIZ Pyridine-4-carbohydrazide 1.000 2 ISZ 4-(diazenylcarbonyl)pyridine 1.000 3 WM4 Benzohydrazide 0.818 4 PY7 Pyridin-4-ylmethanol 0.800 5 45L 3-methylbenzohydrazide 0.750 6 5G1 2-chlorobenzohydrazide 0.750 7 HDH 4-oxidanylbenzohydrazide 0.750 8 MN1 4-carboxypiperidine 0.727 9 RYP ~{N}-methyl-1-pyridin-4-yl-methanamine 0.727 10 S3V Pyridine-4-carboxylic acid 0.727 11 V5Y Piperidine-4-carboxamide 0.727