(2R,3R,5R,6R)-2,6-bis(hydroxymethyl)piperidine-3,4,5-triol (2R,3R,5R,6R)-2,6-dimethylolpiperidine-3,4,5-triol 127995-29-3 .alpha.-Homomannojirimycin AIDS-060485 AIDS060485 Homomannojirimycin