英文别名
2,2,6,6-tetramethyl-tetrahydro-pyrazolo[1,2-a]pyrazole-1,5-dione;3,3,7,7-Tetramethyl-2,6-diketo-1,5-diazabicyclo<3.3.0>octan;3,3,7,7-Tetramethyl-1,5-diaza-bicyclo<3,3,0>octan-2,6-dion;Bicyclo[3.3.0]octane, 3,3,7,7-tetramethyl-1,5-diaza-2,6-dione;2,2,6,6-tetramethyl-1,5-dihydropyrazolo[1,2-a]pyrazole-3,7-dione