6-ethyl-7-methoxy-3-phenyl-2-(trifluoromethyl)chromen-4-one

1-甲氧基-2,2-二甲基丙烷

1,8,9,10-tetramethoxyanthracene

methyl 4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate

(3-chloro-4-methoxyphenyl)-phenylmethanone