methyl (2S,3S)-3-hydroxy-2-[(9-phenyl-9-fluorenyl)-amino]-4-pentenoate

methyl 2-deoxy-3,4-O-isopropylidene-5-iodo-2-[(9-phenyl-9-fluorenyl)-amino]-D-lyxonate

Methanesulfonic acid (4R,5R)-5-[(R)-2-hydroxy-1-(9-phenyl-9H-fluoren-9-ylamino)-ethyl]-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl ester

trans-3-hydroxy-1-(9-phenyl-9-fluorenyl)-L-prolinol

methyl (2S,3S)-3-(tert-butyldimethylsilyl)oxy-2-[(9-phenyl-9-fluorenyl)-amino]-4-pentenoate