6-Oxo-6,7,8,9,10,11,12,13-octahydro-15H-5-oxa-14-aza-benzocyclotridecene-14-carboxylic acid tert-butyl ester

Hept-6-enoic acid 2-[(allyl-tert-butoxycarbonyl-amino)-methyl]-phenyl ester

Oct-7-enoic acid 2-[(allyl-tert-butoxycarbonyl-amino)-methyl]-phenyl ester

2-Diazo-3-oxo-butyric acid 2-diallylaminomethyl-phenyl ester

2-Diazo-3-oxo-butyric acid 2-[(allyl-pent-4-enyl-amino)-methyl]-phenyl ester