(2S,3R,4S,5R)-2-methylpiperidine-3,4,5-triol 99212-30-3 L-fuco-Deoxynojirimycin DFU D-Galactitol, 1,2,6-trideoxy-2,6-imino- 1,2,6-Trideoxy-2,6-imino-D-galactitol 1,5-Dideoxy-1,5-iminofucitol 1,5-Dideoxy-1,5-imino-L-fucitol 3,4,5-Piperidinetriol, 2-methyl-, (2S,3R,4S,5R)- AIDS-001134 AIDS001134 Deoxyfuconojirimycin