the "draw structure" button to launch the drawing utility. e presence of a small amount of acid, a solution of acetaldehyde (CH3CHO) in methanol OH) was allowed to stand and a new compound L was formed. L has a molecular ion in its n trum of 90 and IR absorptions at 2992 and 2941 cm . L shows three signals in its 3C NMR a 2, and 101 ppm. The H NMR spectrum of L is given below. What is the structure of L? H NMR of L 9 8 7 6 5 ppm 4 6 3 2 3 1 0