6-chloro-2-(pyridine-3-yl)-4H-chromen-4-one

5-氯-2-甲氧基苯甲酸

6-chloro-2-(trifluoromethyl)chromen-4-one

6-chloro-2-(furan-2-yl)-3-hydroxychromen-4-one

6-chloro-2-phenyl-2,3-dihydrochromen-4-one