英文别名
                        1,3-diacetyl-1,3,3a,4,7,7a-hexahydro-4,7-methano-2H-benzimidazol-2-one;endo-3,5-diacetyl-3,5-diazatricyclo[5.2.1.02,6]dec-8-ene-4-one;(3aR,4S,7R,7aS)-1,3-diacetyl-3a,4,7,7a-tetrahydro-4,7-methanobenzo[4,5-d]imidazol-2-one;endo-3,5-diacetyl-3,5-diazatricyclo[5.2.1.0]dec-8-en-4-one;(1S,2R,6S,7R)-3,5-diacetyl-3,5-diazatricyclo[5.2.1.02,6]dec-8-en-4-one