英文同义词: | 5,5,7,7-Tetramethyl-4-nitro-1,5,6,7-tetrahydrocyclopenta[f]indazole;5,5,7,7-tetramethyl-4-nitro-1,6-dihydrocyclopenta[f]indazole;Cyclopent[f]indazole, 1,5,6,7-tetrahydro-5,5,7,7-tetramethyl-4-nitro-;5,5,7,7-Tetramethyl-4-nitro-2,5,6,7-tetrahydrocyclopenta[f]indazole |