c-3-acetoxy-2,3-dihydro-t-3-methyl-r-2-phenyl-4H-1-benzopyran-4-one

[2-oxo-2-(3,4,5-trimethoxyphenyl)ethyl] acetate

ethyl N-(2,4-dioxopentan-3-yl)-N-(ethoxycarbonylamino)carbamate

2,2,2-tribromo-1-phenylethanone

[(6E)-2,3,4,5-tetraacetyloxy-6-(carbamoylhydrazinylidene)hexyl] acetate