英文别名
1,4-di-pyridin-2-yl-(4bt,8at)-4b,5,6,7,8,8a-hexahydro-5r,8c-etheno-benzo[3,4]cyclobuta[1,2-d]pyridazine-6c,7c-dicarboxylic acid anhydride;1,4-di-pyridin-2-yl-(4bt,5at,8at,9at)-4b,5,5a,8a,9,9a-hexahydro-5r,9c-etheno-furo[3'',4'':4',5']benzo[1',2':3,4]cyclobuta[1,2-d]pyridazine-6,8-dione