(1R,2S,4S)-1-<(9-Phenyl-9-fluorenyl)amino>-2-<(methanesulfonyl)oxy>-4-<(methoxymethoxy)methyl>cyclopentane

(1R,2S,4S)-1-<(9-Phenyl-9-fluorenyl)amino>-2-<(tert-butyldimethylsilyl)oxy>-4-<(methoxymethoxy)methyl>cyclopentane

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

(S)-[(4R,5S)-5-((S)-Methoxycarbonyl-trifluoromethanesulfonyloxy-methyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-(9-phenyl-9H-fluoren-9-ylamino)-acetic acid methyl ester