英文同义词: | 1,9-Diazaspiro[5.5]undec-3-ene, N9-BOC protected;tert-Butyl 1,9-diazaspiro[5.5]undec-3-ene-9-carboxylate;GPGWVGSYQALOCP-UHFFFAOYSA-N;1,9-Diazaspiro[5.5]undec-3-ene, N9-BOC protected 95+%;1,9-Diazaspiro[5.5]undec-3-ene-9-carboxylic acid, 1,1-dimethylethyl ester |