英文别名7-Oxa-3,20-diazadispiro5.1.11.2heneicosan-21-one, 2,2,4,4-tetramethyl-; 2,2,4,4-Tetramethyl-7-oxa-3,20-diazadispiro(5.1.11.2)-henicosan-21-on; 2,2,4,4-Tetramethyl-21-oxo-7-oxa-3,20-diazadispiro[5.1.11.2]heneicosane; 2,2,4,4-Tetramethyl-7-oxa-3,20-diazadispiro [5.1.11.2]heneicosan-21-one; 2,2,4,4-Tetramethyl-3,20-diaza-7-oxadispiro[5.1.11.2]henicosane-21-one; 2'',2'',6'',6''-Tetramethyldispiro[cyclododecane-1,2'(3'H)-oxazole-5'(4'H),4''-piperidine]-4'-one; 2,2,6,6-Tetramethyldispiro[piperidine-4,5'-oxazolidine-2',1''-cyclododecane]-4'-one 
