1 9CP (2s,5r)-1-formyl-4-methyl-5-[(sulfooxy)amino]-1,2,5,6-tetrahydropyridine-2-carboxamide 1.000 2 NXL (2s,5r)-1-formyl-5-[(sulfooxy)amino]piperidine-2-carboxamide 0.944 3 JXG (2s,5r)-1-formyl-3-methyl-5-[(sulfooxy)amino]-1,2,5,6-tetrahydropyridine-2-carboxamide 0.895 4 C8Y (2s,5r)-1-formyl-5-[(sulfooxy)amino]piperidine-2-carbonitrile 0.889 5 QS8 [[(3~{R},6~{R})-6-fluoranyl-1-methanoyl-piperidin-3-yl]amino] hydrogen sulfate 0.737