7-[(3-cyano-3-(pivaloyloxy)prop-1-yl)oxy]-2H-1-benzopyran-2-one

7-[(3-(butyryloxy)-3-cyanoprop-1-yl)oxy]-2H-1-benzopyran-2-one

[1-cyano-3-(2-oxochromen-7-yl)oxypropyl] benzoate

1-cyano-3-((2-oxo-2H-chromen-7-yl)oxy)propyl octanoate

2-hydroxy-2-(2-((2-oxo-2H-chromen-7-yl)oxy)ethyl)propane-1,3-diyl diacetate