英文别名
1,2-bis-(4-fluoro-phenyl)-4'-methylene-1',2',6',7'-tetraphenyl-1',4',6',7'-tetrahydro-2'H-spiro[pyrazolidine-4,8'-pyrazolo[4,3-f]indazole]-3,5,3',5'-tetraone;1,2-bis(3-fluorophenyl)-4'-methylidene-1',2',6',7'-tetraphenylspiro[pyrazolidine-4,8'-pyrazolo[4,3-f]indazole]-3,3',5,5'-tetrone