2,4-二硝基间苯二酚

ethyl N-(2,4,6-trimethylphenyl)carbamate

3-乙基-2,4,5-三甲基-1H-吡咯

3-ethyl-2,2,4-trimethyl-2H-pyrrole

1,2,3,4,5,6,8-heptafluoro-7-methylnaphthalene