1,4-Dideoxy-1,4-imino-L-ribitol 105990-40-7 117770-01-1 (HCL) 3,4-Pyrrolidinediol, 2-(hydroxymethyl)-, (2S,3S,4R)- 3,4-Pyrrolidinediol, 2-(hydroxymethyl)-, [2S-(2.alpha.,3.beta.,4.beta.)]- AIDS-001139 AIDS001139 LRib