英文名称
2-ethyl-N-(4-fluoro-2-methylphenyl)-7-methyl-3,5-dinitrofluoren-9-imine;2-ethyl-7-methyl-3,5-dinitro-N-(2-phenylphenyl)fluoren-9-imine;2-ethyl-7-methyl-3,5-dinitro-N-(2-propan-2-ylphenyl)fluoren-9-imine;2-ethyl-7-methyl-3,5-dinitro-N-(2,4,6-trimethylphenyl)fluoren-9-imine