3-amino-5-azido-3-C-cyano-3,5-dideoxy-1,2-O-isopropylidene-α-D-ribofuranose

(3aR,4aR,7aR,7bR)-2,2-dimethyl-7-((trimethyl-l5-phosphaneylidene)amino)-3a,4a,5,7b-tetrahydro-7aH-[1,3]dioxolo[4',5':4,5]furo[2,3-c]pyrrol-7a-amine