英文名称: | 7-Oxa-3,20-diazadispiro (5,1, 11, 2) heneicosane-20-propanoic acid,2,2,4,4-tetramethyl-21-oxo-,tetradecyl ester | 7-oxa-3,20-diazadispiro[5.1.11.2]heneicosane-20-propanoic acid, 2,2,4,4-tetrame | 7-Oxa-3,20-diazadispiro(5,1,11,2)heneicosane-20-propanoic acid,2,2,4,4-tetramethyl-21-oxo-,tetradecyl ester |
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