1-N-BOC-4-(3-CBZ-AMINO-3-METHOXYCARBONYLALLYL)-PIPERIDINE

tert-butyl 4-(3-{[(benzyloxy)carbonyl]aMino}-4-Methoxy-4-oxobut-2-en-1-yl)piperidine-1-carboxylate

4-(3-Benzyloxycarbonylamino-3-methoxycarbonyl-allyl)-piperidine-1-carboxylic acid tert-butyl ester