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(2015/01/08)Z-Ser(tBu)-Pro-Thr(tBu)-Pro-OtBu
Z-Thr(tBu)-Pro-Ser(tBu)-Pro-Thr(tBu)-Pro-OtBu
Z-Asp(OtBu)-Val-Thr(tBu)-Pro-Ser(tBu)-Pro-Thr(tBu)-Pro-OtBu
benzyl ((2R)-(3R)-3-(tert-butoxy)-1-hydroxybutan-2-yl)carbamate
N-benzyloxycarbonyl-O-tert-butylthreonine methyl ester