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3-(2-chlorophenyl)-7-[(3,4-dichlorobenzyl)oxy]-2-(trifluoromethyl)-4H-chromen-4-one

3-(2-chlorophenyl)-7-[(3,4-dichlorobenzyl)oxy]-2-(trifluoromethyl)-4H-chromen-4-one ??? ???

???:: 3-(2-chlorophenyl)-7-[(3,4-dichlorobenzyl)oxy]-2-(trifluoromethyl)-4H-chromen-4-one

???(??):: 3-(2-chlorophenyl)-7-[(3,4-dichlorobenzyl)oxy]-2-(trifluoromethyl)-4H-chromen-4-one

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3-(2-chlorophenyl)-7-[(3,4-dichlorobenzyl)oxy]-2-(trifluoromethyl)-4H-chromen-4-one ??

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