英文同义词: | 2,2-Dimethyl-1,1,3,3-propanetetracarboxy-1,3,1,3-diimide;9,9-Dimethyl-3,7-diazabicyclo[3.3.1]nonane-2,4,6,8-tetrone;9,9-dimethyl-2,4,6,8-tetraoxo-3,7-diazabicyclo[3.3.1]nonane;9,9-Dimethyl-3,7-diazabicyclo[3.3.1]nonane-2,4,6,8-tetraone;3,7-Diazabicyclo[3.3.1]nonane-2,4,6,8-tetrone, 9,9-dimethyl- |