(S)-2-Cyclopropyl-2-((methoxycarbonyl)amino)acetic acid

4-tert-butyl 2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl) 1-(9H-fluoren-9-yl)methyl piperazine-1,2,4-tricarboxylate

1-tert-butyl 1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl (2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanedioate

1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl (2S)-3-(4-tert-butylphenyl)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoate

1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl (2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-(2-fluorophenyl)propanoate

1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl (2R)-3-(1-benzothiophen-3-yl)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoate

1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl (2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}(methyl)amino)-3-methylbutanoate

1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl (2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}(methyl)amino)propanoate

(7S,11R,12S,13R,14S,15S,16S,17R,18R,21Z)-2,15,17,27,29-pentahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-26-[(E)-[(4-methylpiperazin-1-yl)imino]methyl]-6,23-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.1^{4,7}.0^{5,28}]triaconta-1,3,5(28),9,19,21,25(29),26-octaen-13-yl acetate

1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl 3-phenyl-1H-pyrazole-4-carboxylate

1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl 3,6-dimethyl-[1,2]oxazolo[5,4-b]pyridine-4-carboxylate