2-(叔丁氧羰基氨基)-5-己烯酸

ethyl 2-amino-5(E)-[5'-deoxyadenosin-5'-ylidene]pentanoate

methyl 2(S)-tert-butoxycarbonylamino-5(E)-[5'-deoxy-2',3'-O-isopropylideneadenosin-5'-ylidene]pentanoate

methyl 2(S)-tert-butoxycarbonylamino-5(E)-[6-N,N-dibenzoyl-5'-deoxy-2',3'-O-isopropylideneadenosin-5'-ylidene]pentanoate

5,6-Dibromo-2-tert-butoxycarbonylamino-6-[(3aS,4S,6R,6aR)-6-(6-dibenzoylamino-purin-9-yl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl]-hexanoic acid ethyl ester