1 RPQ D-rhamnopyranose tetrazole 1.000 2 GTZ (5r, 6s, 7s, 8s)-5-hydroxymethyl-6,7,8-trihydroxy-tetrazolo[1,5-a]piperidine 0.929 3 NTZ Nojirimycine tetrazole 0.929 4 HTP 4,5,6-trihydroxy-7-hydroxymethyl-4,5,6,7-tetrahydro-1h-[1,2,3]triazolo[1,5-a]pyridin-8-ylium 0.800 5 DFU (2s,3r,4s,5r)-2-methylpiperidine-3,4,5-triol 0.769 6 DGJ (2r,3s,4r,5s)-2-(hydroxymethyl)piperidine-3,4,5-triol 0.714 7 DMJ 1-deoxymannojirimycin 0.714 8 NOJ 1-deoxynojirimycin 0.714