4-甲氧草酰基-3-氧代哌啶-1-羧酸叔丁酯
4-甲氧草酰基-3-氧代哌啶-1-羧酸叔丁酯
1-[(tert-Butoxy)carbonyl]-alpha,3-dioxo-4-piperidineacetic acid methyl ester
1-[(tert-Butoxy)carbonyl]-alpha,3-dioxo-4-piperidineacetic acid methyl ester;4-Methoxyoxalyl-3-oxopiperidine-1-carboxylic acid tert-butyl ester