[4,5-diacetyloxy-3-[(2,2,2-trifluoroacetyl)amino]oxolan-2-yl]methyl 4-nitrobenzoate

1,2-di-O-acetyl-3-deoxy-3-trifluoroacetamido-5-O-p-nitrobenzoyl-α-D-ribofuranose

1-(4-acetyl-2,3-dihydroquinoxalin-1-yl)ethanone

4-isopropylbenzal diacetate

6-Methoxy-3-methyl-1H-isochromen-1-one