英文同义词: | tert-butyl 2,4-dioxo-1,3,7-triazaspiro[4.5]decane-7-carboxylate;1'-Boc-spiro[hydantoin-5,3'-piperidine];1,3,7-Triazaspiro[4.5]decane-7-carboxylic acid, 2,4-dioxo-,1,1-dimethylethyl ester;tert-butyl 2,4-dioxo-1,3,9-triazaspiro[4.5]decane-9-carboxylate |