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(2007/10/02)2-<2-<4-(benzyloxy)phenyl>-1(S)-phthalimidoethyl>-2-<5-(1,3-dioxolan-2-yl)-3-hydroxypentyl>-1,3-dioxolane
2-<2-<4-(benzyloxy)phenyl>-1(S)-phthalimidoethyl>-2-<2-(1,3-dioxolan-2-yl)ethyl>-1,3-dioxolane
2-<5-<4-(benzyloxy)phenyl>-3-oxo-4(S)-phthalimidopentyl>-1,3-dioxolane
2-<2-<4-(benzyloxy)phenyl>-1(S)-phthalimidoethyl>-2-(3-oxopropyl)-1,3-dioxolane
(S)-Nα-phthaloyl-O-benzyltyrosine chloride
2-<2-<4-(benzyloxy)phenyl>-1(S)-<<(2,2,2-trichloroethoxy)carbonyl>amino>ethyl>-2-(5-carboxy-5-oxopentyl)-1,3-dioxolane
4,7-dioxo-9-(4-hydroxyphenyl)-8(S)-<<(2,2,2-trichloroethoxy)carbonyl>amino>nonanoyl-L-phenylalanyl-L-leucine
5-<2-<2-(4-hydroxyphenyl)-1(S)-<<(2,2,2-trichloroethoxy)carbonyl>amino>ethyl>-1,3-dioxolan-2-yl>-3-oxopentanoyl-L-phenylalanyl-L-leucine
5-<2-<2-<4-(benzyloxy)phenyl>-1(S)-<<(2,2,2-trichloroethoxy)carbonyl>amino>ethyl>-1,3-dioxolan-2-yl>-3-oxopentanoyl-L-phenylalanyl-L-leucine
5-<2-<2-<4-(benzyloxy)phenyl>-1(S)-<<(2,2,2-trichloroethyloxy)carbonyl>amino>ethyl>-1,3-dioxolan-2-yl>-3-oxopentanoyl-L-phenylalanyl-L-leucine methyl ester