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(2007/10/03)Boc-Gln(Trt)-H
Boc-L-Gln(Trt)-OH
[(S)-1-(Methoxy-methyl-carbamoyl)-3-(trityl-carbamoyl)-propyl]-carbamic acid tert-butyl ester
(S,E)-ethyl 4-(tert-butoxycarbonylamino)-7-oxo-7-(tritylamino)-hept-2-enoate
(E)-(S)-4-tert-Butoxycarbonylamino-6-(trityl-carbamoyl)-hex-2-enoic acid