(9-chloro-7,10-dimethoxy-4-oxo-2-((4R,5S)-2,2,4,5-tetramethyl-1,3-dioxolan-4-yl)-4H-benzo[h]chromen-5-yl)methyl benzoate

(9-chloro-2-((2R,3R)-2,3-dimethyloxiran-2-yl)-7,10-dimethoxy-4-oxo-4H-benzo[h]chromen-5-yl)methyl benzoate

(9-chloro-2-((2R,3R)-2,3-dimethyloxiran-2-yl)-4,7,10-trioxo-7,10-dihydro-4H-benzo[h]chromen-5-yl)methyl benzoate

(10-bromo-2-((2R,3R)-2,3-dimethyloxiran-2-yl)-11-hydroxy-4,7,12-trioxo-7,12-dihydro-4H-naphtho[2,3-h]chromen-5-yl)methyl benzoate

(11-(benzoyloxy)-10-bromo-2-((2R,3R)-2,3-dimethyloxiran-2-yl)-4,7,12-trioxo-7,12-dihydro-4H-naphtho[2,3-h]chromen-5-yl)methyl benzoate