By summing up the building blocks and taking into consideration the functionality suggested by the molecular formula and chemical shifts, it is inferred that Compound 1 is ethyl acetate. 1 H NMR (42.5 ...

These observations are in agreement with assigning the molecule as ethyl acetate. There is a carboxylic acid OH peak ... three protons is in agreement with butyric acid predictions. 1 H NMR (42.5 MHz, ...